The KONG Puppy Tire is a great way to provide teething relief whilst giving your puppy something fun to chew. You can stuff the inside of the tire with treats to keep your puppy mentally stimulated and engaged; you can even freeze it for an extra challenge! The KONG Puppy Tire is a great way to help your pup adjust to new experiences like outside alone time or crate training. They can beat the boredom and find some relief for their teething too! KONG Puppy Tire Key Features This toy is made of KONG's unique puppy rubber, which is durable yet still gentle on puppy teeth and gums Stuff it with treats, biscuits and more to keep your puppy immersed, beat boredom and keep them mentally stimulated Perfectly sized to provide enrichment for puppies Suitable for puppies up to 9 months in age Small is approximately 8cm in diameter and is suitable for small to medium-sized puppies Large is approximately 11cm in diameter and is suitable for medium to large-sized puppies After the age of 9 months, your pup can move to classic KONG rubber toys There is no such thing as a completely indestructible dog toy. Always supervise your pet when they are playing with a new toy, inspect toys regularly and remove them if they become unsafe or damaged.