Size
25mm 28mm 30mm ,35*28mm, 40*31mm,etc
Color
White blue pink green purple black grey,etc
Printing
Laser printing logo, serial numbers
Reading distance
0-20cm(depend on the reader and environment)
Keyword
nfc epoxy square stickers
Application
Access control, Identification,Attendance
Product name
30X30mm Back Anti Metal Smart Custom Nfc Epoxy Square Stickers