Duke's Pet Products Cooling Dog Chew Toy helps keep your pet cool during hot weather. Soak the toy in water, once full absorbed place in the freezer. The sponge will hold the water and freeze along with the gel core. Ideal for helping your dog stay cool during hot weather. The cooling dog chew will keep your dog entertain. It is approximately 4.25" x 2" in size and comes packaged in a clamshell for easy display. Come in assorted design: bone and ball.