【Super Strong and Durable】: Made of BPA-free, non-toxic and natural rubber, ensuring no harm in chewing. Well-designed solid rubber tire shape is more attractive to dogs. And it is durable, tough, biting. - durable, and indestructible, perfect for aggressive chewers. 【Exclusive Tire Shape Design】: Our chew toys can withstand hard chewing, with multiple grooves + cylindrical protrusions on the surface, this which can strengthen the dog’s jaw by continuous chewing massage. It also helps clean teeth to reduce tartar, plaque and tartar, improve dog dental hygiene, reduce dog dental problems and save on bills. [Dog’s Favorite] : The hollow design in the middle, you can put dog food or snacks in it, so that the dog can eat while playing with toys. Add more fun and pass the boring time. Peanut butter, nutritional paste or other moist foods can be firmly applied to the gritty textured surface. Let your dog focus on licking, distracting, avoiding biting, damaging furniture and more surprises