Super Strong and Durable: Made of BPA-free, non-toxic and natural rubber, ensuring no harm to chew. Well-designed solid rubber tire shape is more attractive to dogs. And it's durable, tough, bite-resistant, and indestructible, perfect for aggressivechewers. Exclusive tire shape design: Our chew toys can withstand hard chewing, with multiple grooves + cylindrical protrusions on the surface, which can strengthen the dog's jaw by continuous chewing massage. It also helps clean teeth to reduce tartar, plaqueand 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 some 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 appliedfirmly to the grainy textured surface. Let your dog focus on licking, distraction, avoid biting, damage furniture, and more surprises while playing. Meeting Instinct Needs: Healthy play is essential for the physical and mental development, emotional training and behavioral training of dogs. This tire chew toy helps meet your dog's instinctual needs and provides mental stimulation, relieves yourdog's anxiety, reduces destructive chewing, burrowing and barking, so your dog doesn't get bored and maintains a good posture, ideal chew toys and training props. Color name: black