The PetSafe Forever Bone Dog Chew Toy is a fun new way to help bust boredom for even the toughest chewers! This durable bone-shaped chew toy is made from thick nylon and strong vanilla-scented rubber. The Forever Bone uses innovative Snap Fit cups to hold two delicious all natural rawhide treat rings to help entice your pet to play longer. The raised nylon nubs and rubber ridges of the Forever Bone provide a variety of textures to appeal to different types of chewing. Available in three sizes, the Forever Bone is sure to please even the most powerful chewers.