Throw it and your dog will love bringing it back. For interactive play with one or multiple dogs. This toy will entertain dogs who like to whip their toys and play fetch for hours. Easy to toss and Floats. -- soft edges won't hurt gums. Each Sea Creature toy is made with 4 layers. 2 layers are made of industrial grade luggage material, 1 layer of plastic coating, and the other layer is made of soft fleece on the outside. All of these layers are sewn together to make one super strong layer of material. Each toy is sewn together with 2 layers of cross stitching and then 2 layers of linear stitching. After the toy is sewn together an additional piece of black trim is added to cover the four rows of stitching. This extra piece of black trim is sewn with 3 linear stitches to give the product a total of 7 seams. These toys are machine washable (air dry) and float.