for case contain an internal gasket to keep your air tag waterproof. With the 10m(30ft) Waterproof performance, and it also resistant to rain, sweat and water. waterproof for for air tags tracker. Durable protection case for air tag.[Scratch & Drop Resistant Protection] This Air Tag holder featuring a high-performance case, with transparent PC protective case, a and sturdy surface durable to better your Air Tag from getting damage, scratches, , in 360.easily hang for on your car key, computer bag, child's schoolbag, dog , , luggage, suitcase or any valuables.[Signal and Sound]No signal block,sound maybe a little smaller than uncased for .color:BlackMaterial:TPUPackage Contents:2 x Protective Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.