Color Black 4Pack Case Form Factor Material Thermoplastic Polyurethane Special Feature Waterproof Item Dimensions L x W x H 50 x 50 x 10 millimeters Water Resistance Level Waterproof About this item Really WaterproofThis Dovick Airtag case includes waterproof structure and ring, you can put them in water. Compatible with Apple Airtag (not included). Ultra-durable Airtag Holder: With 4 special screws to close the case, the Airtag will never fall out of the case. The need a special screwdriver (included) to open it, it is anti-theft. Anti-scratch and shockproof: full coverage for Air Tag, soft, stretchable and durable TPU material. There are raised parts at the four corners of the case, which can play an anti-drop effect. Keychain design: anti-lost with keychain, convenient to hang the Airtag on your bag, key chain, dog collar, backpacks, luggage, school bag, etc. Signal and sound: no signal blocking, sound may be a little smaller than the Airtag no packed.