Uarter Dog Ball Pet Bite Resistant Smarter Interactive IQ Toys Environmental and body safe natural rubber, provide the maximum safety and durability. Stylish rugby style, attract your pet's attention. Bite and abrasion resistant, not easy to bite off. Train your pet physically and mentally, promote his agility and reaction capacity. Satisfy his chewing needs to the utmost extent, prevent your dog from tearing and damaging the furniture. Be your best companion for driving away the aloneness.