This tag is uhf frequency(include 860~868mhz and 902~928mhz), it can support iso18000-6c(epc gen2) protocol to read and write, the read range depends on the reader.It made by pu material, the size is 68*80*2mm. We also can provide oem service, such as print on the tags according customer's specific requirement. Package:100pcs/packet Weight:1.5kg/packet