My order was shipped immediately and everything is top quality.
Love the products and customer service. Favorite shop for all things stationery :)
Very satisfied customer here! The products are good quality and it is delivered safe and secure!
Seller never disappoints. Excellent products and the best service.
Repeat order here. Always a pleasure buying from seller. Items are excellent.
My order was shipped immediately and everything is top quality.
Love the products and customer service. Favorite shop for all things stationery :)
Very satisfied customer here! The products are good quality and it is delivered safe and secure!
Seller never disappoints. Excellent products and the best service.
Repeat order here. Always a pleasure buying from seller. Items are excellent.

TWSBI Fountain Pens

Discover the TWSBI fountain pen collection, built for pen enthusiasts who value precision, reliability, and creative control. Each TWSBI pen features a piston-filling system for larger ink capacity, smooth nibs for effortless writing, and transparent or stylish bodies so you can see your ink in action.

From everyday writers to calligraphy artists, TWSBI offers affordable yet professional-grade pens in various nib sizes and designs. Perfect for journaling, sketching, note-taking, and ink testing, these pens combine performance, durability, and elegance in every stroke.

Shop our selection of TWSBI pens to elevate your writing experience with a tool that’s trusted by enthusiasts worldwide.

51 products

  • TWSBI ECO Lime Green Limited Edition Fountain Pen Fine Nib (F) TWSBI ECO Lime Green Limited Edition Fountain Pen Fine Nib (F)

    TWSBI ECO Lime Green Limited Edition Fountain Pen Fine Nib (F)

    Out of stock, Restocking soon.

    Enjoy the popular TWSBI ECO fountain pen in a limited edition lime green color! TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle—no need for cartridges or a converter! Be careful, operating the piston while ink is in the pen will cause ink to leak out of the pen. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    Out of stock, Restocking soon.

    ₱3,500.00

  • Last stock! TWSBI x Spy Family ECO Limited Edition Fountain Pen Set TWSBI x Spy Family ECO Limited Edition Fountain Pen Set

    TWSBI x Spy Family ECO Limited Edition Fountain Pen Set

    1 in stock Delivery in 1-3 days

    Perhaps the two members of this "pretend family" might have exchanged letters written with a fountain pen for their secret conversations?!The fountain pen comes in a nuanced color that perfectly captures the anime's aesthetic.The clear barrel allows you to see the ink color at a glance!Set Contents:Fountain PenWater-based Dye Ink (30mL)Acrylic Pen Stand*The fountain pen features printed designs in two locations.

    1 in stock Delivery in 1-3 days

    ₱13,000.00

  • Last stock! TWSBI ECO Cosmos Blue and Onyx Fountain Pen TWSBI ECO Cosmos Blue and Onyx Fountain Pen

    TWSBI ECO Cosmos Blue and Onyx Fountain Pen

    1 in stock Delivery in 1-3 days

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle. There's no need for cartridges or a converter! Be careful—operating the piston while ink is in the pen will cause ink to leak out of the pen. This limited-edition pen features a swirling blue and green patterned cap and piston knob, accented with an onyx-colored nib and trim. The pattern of the marbling varies from pen to pen, and no two pens are exactly alike. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    1 in stock Delivery in 1-3 days

    ₱4,900.00

  • Last stock! TWSBI ECO Slate Blue and Onyx Fountain Pen TWSBI ECO Slate Blue and Onyx Fountain Pen

    TWSBI ECO Slate Blue and Onyx Fountain Pen

    1 in stock Delivery in 1-3 days

    The TWSBI ECO fountain pen boasts an incredible value with its piston filling system and affordable price. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a slate blue cap and finial. The pen cap has an inner cap to ensure a perfect seal when stored away. It is completed with black onyx trim and a black stainless steel nib. TWSBI's belief is that it is important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen. These pens also come packaged with a wrench and silicone grease. Neither of these accessories are intended to be used immediately, as they are for long-term care and maintenance. Additionally, please use extra care if you choose to disassemble the nib and feed, as the feed is very fragile.

    1 in stock Delivery in 1-3 days

    ₱4,000.00

  • Last stock! TWSBI ECO Fluorite Purple with Bronze Fountain Pen TWSBI ECO Fluorite Purple with Bronze Fountain Pen

    TWSBI ECO Fluorite Purple with Bronze Fountain Pen

    2 in stock Delivery in 1-3 days

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle. There's no need for cartridges or a converter! Be careful—operating the piston while ink is in the pen will cause ink to leak out of the pen. This limited edition pen features a marbled purple cap and piston knob, accented with a bronze-colored nib and trim. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    2 in stock Delivery in 1-3 days

    ₱4,900.00

  • Last stock! TWSBI ECO Rootbeer with Bronze Fountain Pen TWSBI ECO Rootbeer with Bronze Fountain Pen

    TWSBI ECO Rootbeer with Bronze Fountain Pen

    1 in stock Delivery in 1-3 days

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle. There's no need for cartridges or a converter! Be careful—operating the piston while ink is in the pen will cause ink to leak out of the pen. This limited-edition pen features a transparent brown cap and piston knob, accented with a bronze-colored nib and trim. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    1 in stock Delivery in 1-3 days

    ₱4,900.00

  • Last stock! TWSBI ECO-T Eggplant Fountain Pen TWSBI ECO-T Eggplant Fountain Pen

    TWSBI ECO-T Eggplant Fountain Pen

    1 in stock Delivery in 1-3 days

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO-T (ECO being short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a rounded triangular screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle. There's no need for cartridges or a converter! Be careful—operating the piston while ink is in the pen will cause ink to leak out of the pen. The ECO-T's grip section features a rounded triangular shape that gently encourages you to hold the pen at the optimal angle. The triangular grip section is matched by the pen's rounded triangular cap and piston knob. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    1 in stock Delivery in 1-3 days

    ₱3,900.00

  • Last stock! TWSBI ECO Transparent Purple Fountain Pen TWSBI ECO Transparent Purple Fountain Pen

    TWSBI ECO Transparent Purple Fountain Pen

    2 in stock Delivery in 1-3 days

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the TWSBI Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that can be posted securely on the back of the pen. The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle. There's no need for cartridges or a converter! Be careful—operating the piston while ink is in the pen will cause ink to leak out of the pen. This limited-edition pen features a transparent purple cap and piston knob. In keeping with their philosophy of promoting the traditional experience of using a fountain pen, TWSBI has designed this pen to be completely self-serviceable. It comes with a wrench and a vial of silicone grease you can use for at-home maintenance.

    2 in stock Delivery in 1-3 days

    ₱3,300.00

  • TWSBI ECO Cement Grey Limited Edition Fountain Pen (Extra Fine Nib) TWSBI ECO Cement Grey Limited Edition Fountain Pen (Extra Fine Nib)

    TWSBI ECO Cement Grey Limited Edition Fountain Pen (Extra Fine Nib)

    Out of stock, Restocking soon.

    TWSBI fountain pens are loved for their high quality and affordability, offering advanced filling mechanisms normally reserved for much more expensive fountain pens. The TWSBI ECO (short for "economical") provides the same high-quality, high-capacity piston filler as the Diamond 580 at an even lower price. It features a sleek, transparent barrel and a hexagonal screw-on cap that posts securely on the back of the pen. Features: Stainless steel nib. High-capacity piston filling system. Wrench and silicone grease for at-home maintenance. This pen may come with ink residue in the nib from being dip tested by TWSBI at the factory. As with all new fountain pens, we recommend giving your TWSBI a good cleaning before you use it.

    Out of stock, Restocking soon.

    ₱3,400.00

  • TWSBI ECO Matcha Green Fountain Pen TWSBI ECO Matcha Green Fountain Pen

    TWSBI ECO Matcha Green Fountain Pen

    Out of stock, Restocking soon.

    The TWSBI ECO fountain pen boasts an incredible value with its piston filling system and affordable price. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and comes with a green cap and finial. The pen cap has an inner cap to ensure a perfect seal when stored away. It is completed with silver trim and a silver stainless steel nib. TWSBI's belief is that it is important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen. These pens also come packaged with a wrench and silicone grease. Neither of these accessories are intended to be used immediately, as they are for long-term care and maintenance. Additionally, please use extra care if you choose to disassemble the nib and feed, as the feed is very fragile.

    Out of stock, Restocking soon.

    ₱3,500.00

  • TWSBI Diamond 580ALR Black Limited Edition Fountain Pen Fine Nib (F) TWSBI Diamond 580ALR Black Limited Edition Fountain Pen Fine Nib (F)

    TWSBI Diamond 580ALR Black Limited Edition Fountain Pen Fine Nib (F)

    Out of stock, Restocking soon.

    The TWSBI Diamond 580ALR comes with a benchmark piston ink-filling mechanism and has all detachable parts. The clear demonstrator barrel allows you to see your ink color and remaining ink level. It has a black aluminum grip section and screw-cap. The aluminum is enhanced with a subtle matte finish, and circular engravings in the grip and cap area. It comes with a stainless steel nib and is presented in a modern clear display case. The idea behind the TWSBI Diamond 580 was to go back to basics and capture the simplicity and elegance of traditional writing instruments. In recent years, the development and modernization of writing instruments has resulted in traditional writing instruments, such as fountain pens, falling into obscurity. It was TWSBI's goal to bring the past back to life by creating a traditional fountain pen that even modern day society can appreciate. The TWSBI Diamond 580 is a classic fountain pen with a piston ink-filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, TWSBI has created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. TWSBI's belief is that it is important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen. These pens also come packaged with a wrench and silicone grease. Neither of these accessories are intended to be used immediately, as they are for long-term care and maintenance. Additionally, please use extra care if you choose to disassemble the nib and feed, as the feed is very fragile. You may notice a white substance on your 580AL or 580ALR pistons. This is bearing grease, and must not be removed during cleanings, or replaced by silicone grease.

    Out of stock, Restocking soon.

    ₱5,000.00

  • TWSBI ECO Serpentine and Bronze Fountain Pen Fine Nib (F) TWSBI ECO Serpentine and Bronze Fountain Pen Fine Nib (F)

    TWSBI ECO Serpentine and Bronze Fountain Pen Fine Nib (F)

    Out of stock, Restocking soon.

    The TWSBI Eco Serpentine & Bronze fountain pen is part of the renowned Eco collection, appreciated worldwide for its outstanding value for money, reliability, and ease of maintenance. This version stands out with its marbled resin cap and piston knob, featuring a sophisticated blend of olive green, bronze, and smoky grey tones inspired by the serpentine stone. The bronze-colored trims — including the clip, rings, and nib — add a warm, refined accent. The transparent barrel allows you to easily monitor ink level and color. Equipped with a stainless steel nib and a piston filling system, the TWSBI Eco is designed to offer a smooth writing experience and generous ink capacity — ideal for everyday use. Like all TWSBI fountain pens, the Eco Serpentine & Bronze is fully disassemblable for deep maintenance over time. The box includes a wrench and silicone grease, intended for long-term care rather than immediate use. A bold yet elegant choice, perfect for those seeking a reliable writing instrument with a distinctive aesthetic.

    Out of stock, Restocking soon.

    ₱4,000.00


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