1.Composed of TPR Material that's Durable like rubber and Resistant to Biting2.Features Dual-Sided full-length ridges for placement of Dog Treats that release when chewed on3.Features Dental ridges all around, perfect for Oral Hygeine that assist in removal of plaque and gingivitis when chewed4.Safe, Soft, Durable, and composed of Non-Toxic Materials5.Available in Multiple ColorsThe Pet Life 'Denta-Bone' TPR Treat Dispensing and Dental Cleaning Durable Dog Toy is composed of a Soft, Lightweight and Highly Durable Rubber-like material that provides strong resistance to bite. The Denta-Bone is equipped with full-length outer bumps and ridges designed to massage gums and clean teeth by assisting in the removal of plaque and tartar during play. Great for spreading toothpastes and gels along the crevices for a more effective hygienic experience. This toy also features an inner pocketed center that's designed for placement of Dog Treats or Food between the cracks that slowly releases food while chewing or biting that's also great for sharpening cognitive skills. SIZING DIMENSIONS: (INCHES) L x W x H5.91 X 2.76 X 2.76