These chew toys feature a treat stuffing option to ensure your dog will keep coming back for more. Thick natural rubber and unique raised surfaces help clean teeth while dogs chew. The Jolly Tuff line rewards good chewing behavior to encourage longer playtime. Packs a durable punch for any dog. Made of extra touch natural rubber and designed to stand up to the most powerful chewer. Measures 4.5″. Dishwasher safe – top rack only.