Jr Bone: A wonderful toy for those dogs that like to play tug or whip their toys back and forth. -- soft edges won't hurt gums. Tuffy Dog Toys - Jr. Ultimate Series Construction: Multiple Layers Tuffy Dog Toys are the most durable toys available. This dog toy is made with one layer of soft fleece, one layer of industrial grade luggage material and one layer of plastic coating in the center. All three layers are sewn together to make one "Tuff" layer. Sewn Multiple Times Most dog toys have just one seam to hold the toy together. Tuffy Dog Toys sew webbing around the edges of the toy and then sew the edges together to make each toy Tuff. Squeaker Safety Pockets Squeakers are sewn into pouches as an added layer of safety. These toys are machine washable (air dry) and float.Vet recommended and approved. The toy's dimensions are 6 x 4 x 1 inches. For dogs under 20 pounds. Machine washable, air dry and they float. Tuff Scale rating of 8.