Feature: 1)Diameter: 40mm ; 2)Thickness: 3.3mm ; 3)Weight: 11.5g ; 4)Material: Inner metal ABS plastic finished ; 5)plain surface could printed customize logo; 6)Chip color available ; 7)High quality and competitively priced; FOB port:Ningbo harbor; MOQ:200,000pcs; Leading time:30days; Packing: 25pcs in a shrink roll,1000 pcs in an outer carton; Payment Terms: T/T,Western Union,35% deposit,and 65%balance