Designed specifically for teething puppies and moderate chewers, the NOSH FLEXIBLE Chew Bone combines durable nylon with flexible TPR. Strong enough to withstand the enthusiastic chewing of a puppy yet soft enough for puppies' sensitive gums. The NOSH FLEXIBLE Chew Bone provides long-lasting enjoyment, keeping your dog engaged and challenged with the added benefits of exercising jaw muscles and helping maintain oral hygiene. For puppies and moderate chewers Made from durable nylon with flexible TPR Satisfies natural chewing instinct Helps prevent boredom and destructive chewing Long-lasting enjoyment Available in Chicken or Bacon flavour Available Sizes: Small 11cm (4.5") : Recommended for dogs up to 22lb (10kg) Medium 15cm (6") : Recommended for dogs 22-44lb (10-20kg)