Yiren 312B Transparent Green Fountain Pen — Fine Nib, Converter-Compatible

Short Description 
Transparent green fountain pen with a fine stainless-steel nib and converter compatibility. Lightweight, cap-type design lets you monitor ink levels for worry-free daily use.

Product Description 
The Yiren 312B Transparent Green Fountain Pen pairs playful transparency with reliable writing performance. Its clear green-tinted barrel and cap let you watch ink levels at a glance, making refills simple and reducing interruptions while writing.

Fitted with a smooth fine stainless-steel nib, the pen produces clean, consistent lines suitable for notes, journaling, and schoolwork. The lightweight plastic body and balanced profile make it comfortable for extended writing sessions for students and professionals alike.

Designed for flexibility, the 312B accepts standard international converters and cartridges so you can use bottled inks or disposable cartridges as preferred. A sturdy metal clip secures the pen in pockets and notebooks, adding everyday practicality to its vibrant look.

Durable, affordable, and beginner-friendly, the Yiren 312B is an excellent choice for students, new fountain-pen users, and anyone who wants a functional, visually appealing pen.

Key Features

• Transparent green plastic barrel and cap to view ink level

• Fine stainless-steel nib for precise, smooth writing

• Cap-type mechanism for secure closure and nib protection

• Converter-compatible (supports standard international cartridges)

• Lightweight design (approx. 18 g) for comfortable use

• Sturdy metal pocket clip for easy carry

Ideal For 

• Students and school stationery

• Beginners learning to use fountain pens

• Daily note-taking and journaling

• Colourful, practical gifting for teens and colleagues

• Users who prefer bottled ink options

Specifications 

• Brand: Yiren

• Model: 312B

• Colour: Transparent green

• Body material: Plastic

• Mechanism: Cap-type

• Nib size: Fine (stainless steel)

• Filling type: Converter-compatible (supports cartridges)

• Height: 13.2 cm

• Weight: approx. 18 g

• Clip: Metal pocket clip

• Finish: Transparent glossy

What’s Included

• 1 × Yiren 312B Transparent Green Fountain Pen (fine nib)

• 1 × Removable cap

• 1 × Standard ink cartridge (if included by seller) or converter (subject to SKU)

• 1 × User leaflet / warranty card (subject to seller)

Safety & Care Instructions

• Rinse nib and converter/feed with clean water before first use and when changing ink colours.

• Use fountain pen ink only; avoid India ink or pigmented inks that can clog the feed.

• Store capped when not in use to prevent drying and protect the nib.

• Clean nib and feed every 4–6 weeks with lukewarm water for consistent ink flow.

• Avoid dropping the pen to prevent nib misalignment or body damage.

• Keep away from children under 3 years due to small parts; adult supervision recommended.

Why Choose This Product 

• Clear transparent body for easy ink monitoring and a modern look

• Fine stainless-steel nib delivers precise, reliable writing for study and work

• Converter compatibility offers flexible ink choices for enthusiasts

• Lightweight and affordable—great entry-level fountain pen

• Practical metal clip and durable construction for everyday carry