GoToTags NTAG213 - Blank White NFC PVC ISO Cards - 25 Pack Includes 25 glossy finish laminated white PVC cards 85.5 x 54 x 0.84 mm standard ISO card size Waterproof PVC material of the badge protects the NFC chip inside 144 usable bytes of data; suitable for a url, text, small contact record or single action phone trigger Compatible with all GoToTags software and NFC-enabled phones