printing #NFCtag #rfidtag of custom logo. 1.Material:PVC/PET/Paper 2.Common specifications:25mm diameter, 35*35mm, 50*50mm, 27*42mm, 85*54mm and as requested. 3.Frequency: 13.56Mhz/HF 4.Protocol: ISO 14443A/HF. Crafts available: Printing, serial number, barcode, and so on. Application: NFC mobile payment, NFC electronic intelligence posters, Electronic ticket, production identification, NFC electronic sign in, Mobile name cards, library management, entrance access, or expense, and so on.