Material：Made of strong plastic，cover is very flexible and durable. The key ring can be written on is made of environmentally friendly PP material, does not fade Easy to use: comfortable writing on the paper insert without removing the key tags ring attachment. Simply open and close the flap over the paper insert to identify yourself with the keys attached to it. WRITABLE DESIGN：Each tag has a white paper card insert for labelling. Name/address etc. can be written on the front, and the back is completely blank, you can write all desired information. Perfect protection: plastic key rings come with a ring and a removable paper insert. These key tags come with clear PVC covers that protect the writing paper from damage. Size: 5.6*2.9 cm with the 1.8 cm large key ring, you can attach other keys or items.