Print At Home NFC Sticker Kit Includes 5 sheets of 35 white NFC stickers and 1 sheet of 35 white non-NFC test stickers 30mm (1.18 in) circle inlay stickers with regular adhesive backing Water-resistant 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