Keep Your Company Details & Contact Details with You at All Times with Our Nfc Keyring Fobs. Supplied with a Drill Hole, These Keyring Fobs Will Easily Attach to Yours or Your Customers Keys, Meaning Your Brand Will be with Them at All Times. with the Ntag213 Chip, These Keyrings Can be Encoded to Link to Your Contact Details, Website, Instagram, Facebook, App, Files or Anywhere Else Online. Finished Size 28mm x 55mm. No Minimum Order Quantity.