The Kong Ballistic Boomerang Dog Toy is a ltough, plush toy with a unique patented design that makes it more durable than other plush toys. Covered with a soft fleece material, Ballistic toys are cuddly and gentle on teeth and gums. Under the fleece are two additional layers of material, secured with eight rows of stitching for strength. The Kong Ballistic Boomerang Dog Toy squeaks, with squeakers enclosed in an individual nylon pouch to help prevent damage. For dogs toughest on toys, we recommend the Extra-Large Extreme Ballistic Ring, which includes a bonus fourth material layer for extreme strength. Ballistic toys come in four fun shapes, plus they float and are machine washable.