GoToTags NFC Tag - Stickers - NXP NTAG213 - 26 x 26 mm Square Multi Color - 10 Pack Includes 5 blue and 5 black NFC stickers with the GoToTags NFC symbol 26 x 26 mm (1 x 1 in.) square stickers with regular adhesive backing Water-resistent glossy finish can withstand brief exposure to drops of water 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