Specification Binding : Unknown Binding Brand : Generic Color : Black+white Label : Shenzhen Manufacturer : Shenzhen NumberOfItems : 2 PackageDimensions_Weight : 0.12125424410 PackageDimensions : L:5.4724409393 X W:3.9370078700 X H:0.8267716527 ProductGroup : Pet Products ProductTypeName : PET_SUPPLIES Publisher : Shenzhen SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51xlx8W71FL._SL75_.jpg SmallImage_Width : 68 Studio : Shenzhen Title : Dog Whistle, 2 Pack Quiet Dog Whistle to Stop Barking for Dogs, Professional Ultrasonic Dog Whistle Recall Training, Dog Whistle Stop Barking Training Control Tool for Dogs, with Black Lanyard Weight : 0.1 WeightUnit : pounds