No pen, any oily marker can be written and altered, clearance sale!!!

According to the suggestions of the above customers, the main improvements of the second generation are as follows:

ordinary plastic-> PVC card material

single suction cup-> double Suction Cup

self-adhesive viscosity number-> oily pen can be altered number

single-sided printing-> the double-sided printing

over dimension obscured vision-> suitable size(55 X172mm)