851M Changeable Bag Heat-Sensitive Erasable Pen Student Cartoon Young Girl Colorful Posture Calligraphy Ball Pen Get Ink Sac Free

Name: heat-sensitive erasable pen
model: 851M
color: pen color mixed
specification: single matching bag replacement (3.4mm) pen tail with friction rubber
ink absorption: change bag (3.4mm)
size: Pen length is about 14cm
packing: a box of 12 240 PCs/box

weight: about 30 g/piece

product features:

replaceable ink sac set convenient and hygienic gift erasable blue ink sac + colors mixed

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