... specification:20pcs/box,8boxes/ctn 4.inside length:8m 1. label tape consist of six layers of materials, resulting in thin ... PET(polyethylene)film, the characters are virtually indestructible.2. The label is self-adhesive, crack and peel, can be stick to ... , goods mark, interface mark, goods shelf mark, lab things mark, server mark, switch panel mark, serve direction mark, operate show mark ...