TUFFY Zoo Dog Toys Worlds Tuffest soft dog toy on the market! Up to 4 Layers of material, which are bonded and sewn multiple times to make one tough layer Floats in water and machine washable (air dry) TUFFY toys are designed for interactive play and are not chew toys Rated 7 on the TuffScale Vet recommended and approved The toy's dimensions are 16 x 7 x 8 inches For medium to large sized dogs Machine washable, air dry and they float Tuff Scale rating of 7