Wanmu Magic Pens & Refills for Grooved Handwriting Workbooks, Reusable Disappearing Ink Pen Maker, Invisible Ink Pen Refills with Writing Grip for 3-5 Kids Children Grooved Writing Books Practice

Category: Disappearing Ink Pen for Kids

Color: Black

Material: PP

Function: Disappearing pen set, grip color random

Refill Size: 5.12 × 0.16 × 0.16 inches / 13 × 0.4 × 0.4 cm

Pen Sleeve Size: 1.65 × 0.79 × 0.39 inches / 4.2 × 2 × 1 cm

Pen Size: 5.63 × 0.51 × 0.39 inches / 14.3 × 1.3 × 1 cm

Package List: 24pcs × Invisible Pen (2 pens, 2 grips + 20 refills)