MIGHTY® toys are made with multiple layers of soft, flexible material Minimal Stuffing! Made of durable, squeaky balls Floats in water and machine washable (air dry) MIGHTY® toys are designed for interactive play and are not chew toys. MIGHTY toys are durable, plush dog toys constructed with multiple layers of fabric and multiple rows of stitching. The Microfiber Ball series contains minimal stuffing inside, so there's plenty of room for all the extra squeakers located in the head, body, arms and legs! Did we mention it also floats and is machine washable for extra fun and convenience? Our toys are built to last, but keep in mind that no toy is "indestructible". Mighty toys are designed for interactive play and not for chewing.