Rachel Pet Products Colorful Cotton Rope Weaving Durable Chew Cleaning Teeth Ball Pets Dog Toys, Random Color, 2 pcs per pack Size: Diameter: 9 cm Color: multiple colors, fits for your pets. Material: made of durable cotton, easy to clean and washable. Function 1: keep your dog entertained and occupied; increase your pets IQ while they are left alone during the day Function 2: the rope ball toy protects your baby's teeth; it is free from any toxic material, ideal for encouraging active independent play, controlling aggressive chewers. The rope ball toy protects your baby's teeth; it is free from any toxic material.