Our for case contain an internal gasket to keep your tag waterproof. With the 10m(30ft) Waterproof performance, and it also resistant to rain, sweat and water. waterproof for keychain for tags tracker. Durable protection case for tag.[Scratch & Drop Resistant Protection] This Tag holder featuring a high-performance case, with transparent PC protective case, a smooth and sturdy surface durable to better protect your Tag from getting damage, scratches, scuffs, drops in 360.easily for on your car key, computer bag, child's schoolbag, dog collar, collar, 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 Case CoverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.