WUBBA * Unique patented design * Reinforced nylon fabric * Internal solid tennis ball and squeaker Brand new from the Kong® Company these fantastic new toys are a must for any dog's collection! The unique patented shape, with long material tails will provide hours of interactive fun for owner and dog. Durable reinforced nylon fabric covers two rubber squeaker balls in the small size and a squeaker ball and solid tennis ball in the medium and large sizes.