It Squeaks View larger General Description Pooch Treat Bomb is made of natural rubber. It has a treat dispensing hole on top and a built in squeaker. Great for throwing and retrieving. Why is the toy blue? The toy is the color blue due to scientific research proving dogs can see blue and yellow where as most other colors appear to be shades of grey. Pet Buddies have an entire line of blue toys with different shapes and sizes for your dog"s entertainment. Features Fill with your pet"s favorite treats Fun on land or in water Made of durable natural rubber Blue, a color your dog can see Built in squeaker