TUFFY® toys are the most durable dog toys on the market! With up to 4 layers of material, our toys are bonded and sewn together with up to 7 rows of stitching for added durability. A protective webbing is added to the outside edge to cover the seams and make the toy even stronger. TUFFY® toys float in water and are machine washable (air dry). Rated 9 on the TuffScale.