GoToTags On-Metal NFC Tag - Stickers - NXP NTAG203 - White & Blue - Multi Shape - 10 Pack Includes 10 NFC stickers with blue GoToTags NFC symbol on a white background 30 mm (1.18 in.) circle stickers and 35 x 35 mm (1.38 in. x 1.38 in.) square stickers with an on-metal layer and regular adhesive backing Water-resistent glossy finish can withstand brief exposure to drops of water 137 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