SPECIFICATIONSBrand Name: NONEChoice: yesIs Smart Device: noMaterial: ETPUOrigin: Mainland ChinaToys Type: BallsType: Dogssemi_Choice: yeswhether electrical: No,Yes Feature: 1.Help Clean Teeth and Prevent Plaque and Tartar Build Up. 2.These tough durable dog balls are made of Non-Toxic natural rubber material :more durable, healthy and puncture resistant compared with PVC and TPR. 3.Special design for dog puzzle toy balls Your pets will accept this toy easily and get more surprise while playing. Best Dog Toys for Boredom. 4.A smarter IQ training toys for cats puppy dogs 5.Rubber Dog Teething Cleaning Toys Ideal for Cat, Puppy,Small Dogs, Medium Dogs, Even Large Dogs Aggressive Chewers size:6cm/7cm