Combo Pack 1k NFC Tags by AndyTags - 4 Standard, 1 Anti-Metal 4 Standard NFC Stickers in ICS Blue, Alien Green, Lava Red, & Awesome Orange; and 1 Anti-Metal Tag in Ghost White High Capacity 1K tags are NFC Mifare Classic w/about 700 bytes of writable/re-writable memory Tags ship packed individually as shown All stickers are 30mm in diameter and made of tough PVC material with Adhesive backing for easy placement anywhere. Works with all devices compatible with Mifare Classic Tags (NOT compatible with all NFC devices.)