PetFun Bone Shape Extreme Strong Teething Cleaner Rubber Pacifer Toy Available for Heavy Chewers, Small and Large Optional Sizes PetFun Superstar Series Strong Interactive Chewing Toy, RB- 18. Made of super-durable, non-poison natural rubber. There are two optional sizes, small one long 4.5(11.4cm), Larger one long 6.02(15.3cm). Vary sizes provide more options, you can choose it based on your furkids chewing behaviors Superstar RB- 18 is extraordinary unbreakable which is designed to encourage nondestructive chewing habits, dental supplies and edible dental chews that support strong, healthy teeth, especially the teething time help dog relive the pain. Furthermore, which also can occupy your furkid keeping him busy for his own interested thing when you need a breather Great for playing interactive games between you and your furkid. Dogs need to play games, for their physical and mental development, emotions and behavior are all influenced by healthy play. Whats more, thats for sure, when he feels happy, mommy and papa feel even happier Benefits-1), Dental care; 2), Expend furkids endless energy ;3), Correct their behavior; 4), Build a happy life Sweet Notes:1). Please notice that is a strong and durable interactive toy, but which may not be your desired indestructible toys, especially for these aggressive groups.2). Please choose toys appropriately which are based on your furkids habits and supervise him when chewing treats, no matter which kind of, in case, maybe destroyed, and the ripped pieces may pose a choking hazard. 4). We provide free delivery to most countries not just USA, please contact our service center for more questions