KAYOU Waveline Retractable Gel Pen Set – 0.5mm Black Ink, 12 Pens

One Set. Twelve Colors. Zero Compromise on Writing.

Smooth, stylish, and built for everyday use — the KAYOU Waveline Retractable Gel Pen Set brings a wave of color to your desk without sacrificing a single drop of writing performance. Each of the 12 pens features a unique barrel color inspired by the Waveline series aesthetic, while all 12 share the same reliable 0.5mm black gel ink inside. Whether you’re color-coding your notes, gifting a stationery lover, or simply upgrading your pen collection, this set delivers both visual variety and consistent, everyday precision.

Specifications

• Brand: KAYOU 
• Series: Waveline 
• Ink Color: Black
• Tip Size: 0.5mm
• Mechanism: Retractable click (press-action)
• Quantity: 12 pens per set
• Barrel Colors: 12 different colors — one of each per set

Features

• 🌈 12 unique barrel colors — one of each color in every set, making it easy to assign a pen to a subject, mood, or task at a glance
• ✏️ Smooth 0.5mm black gel ink — consistent, skip-free ink flow for clean, precise writing whether you’re taking notes, journaling, or signing documents
• 🖊️ Retractable click mechanism — one-handed operation, no cap to lose, always ready when inspiration strikes
• 🌊 Waveline series design — sleek, flowing barrel aesthetics that look as good on your desk as they feel in your hand
• 📦 Complete set of 12 — a full rainbow of barrel colors with unified black ink; share with classmates or keep the whole set for yourself
• 🎁 Perfect gift — an ideal present for students, stationery enthusiasts, bullet journalers, and anyone who appreciates a well-designed everyday pen

Twelve pens, twelve colors, one consistent writing experience. The KAYOU Waveline set is the kind of stationery that makes you actually look forward to picking up a pen. Add the full set to your cart and bring some color to your writing routine.