Best Pet Supplies - Bone Shape PBA-Free Rubber Dog Dental Chew Toy 8 Inches Made with food-grade thermoplastic rubber (TPR) and is BPA-free and phthalate-free Especially shaped to promote chewing which improves oral hygiene Suitable for small/medium select one depending on the size of the toys, breeds of dog who likes to play-bite. Not recommended for aggressive chewers.