Welcome to our srore.Type:Wrist StrapDurable MaterialStylish DesignVersatile UsageGreat ValueIs Smart Device:NoIs_customized:NoMaterial:Reinforced AluminumOrigin:Mainland Cn:AnhuiType:BirdsName:Animal Training WhistleColor: Size:Approx. 56 X 15 X 8mmAlias 1:Cat Training WhistleAlias 2:Bird Training WhistleAlias 3:Metal Pigeon Training WhistleAlias 4:Animal Training WhistleAlias 5:Pet Training WhistleHigh Decibel Metal Double Is Smart Device:NoIs_customized:NoMaterial:Reinforced AluminumOrigin:Mainland Cn:AnhuiType:BirdsName:Animal Training WhistleColor: Size:Approx. 56 X 15 X 8mmAlias 1:Cat Training WhistleAlias 2:Bird Training WhistleAlias 3:Metal Pigeon Training WhistleAlias 4:Animal Training WhistleAlias 5:Pet Training WhistleHigh Decibel Metal Double