KACO JOY Yuehao 0.5mm Blue Gel Pen 3-Pack Quick-Dry Waterproof Fade-Resistant for Homework Exam Note-Taking

Smooth and consistent ink flow without skipping or smudging

Waterproof and light-resistant, preventing ink from bleeding or fading when exposed to water or light

Deep black ink color for clear, sharp writing

Suitable for exams and computer recognition/scanning

Innovative dual-ball pen tip ("Nai Xie Bao" dual-ball tip) for enhanced stability and smoother writing experience

Writing angle control down to 48°, reducing friction between pen tip and paper compared to traditional single-ball tips which require >60° angle

Ensures smooth writing even at low writing angles

Pen barrel serves as ink reservoir; non-refillable

Transparent barrel for easy ink level monitoring

GB/T 37853-2019

GB 21027-2020

Large ink capacity suitable for extensive writing and test preparation

Practical tri-color options available

Packaging marked with "Born for Excellence" slogan

Pen drawn at 65°~70° angle on paper at 70mm/s for 100mm line

After 1 second, a similar paper is pressed on top with a weight and separated after 1 minute to check for ink transfer

Ideal for note-taking, exams, and professional writing requiring reliable, fast-drying ink