This 100% recyclable rubber Blue Boomerang with Removable Squeaker Tennis Ball is full of dynamic entertainment. Use it as a chew toy or pop out the tennis ball for a game of fetch. It's full of texture, ridges and nubs for oral stimulation and cleaning teeth. Swap the Tennis Ball for a treat for tons of interactive fun. Owners can run a rope through the hole to engage in a game of tugging. As a 3 of 5 on the chew meter makes this toy very durable yet a little softer and the size is perfect for medium to large dogs.