The Mighty MicroFiber T-Rex is made with multiple layers of material, and the seams are closed with multiple rows of stitching. The seams are located on the inside of the toy for added durability. The outside is covered in a soft MicroFiber material that your dog is sure to love. The body of the toy contains a durable, squeaky ball, and additional squeakers are located inside the hands and feet of the toy. Machine washable, and it floats. Best for medium to large size dogs.