Power Chewer Ball: Ultra-durable near-solid rubber retrieving ball for power-chewers. Help your dog fight boredom with this fun new toy.Large Dogs: Excellent for even the most aggressive chewers. Designed for dogs 35-90 lbs/15-40 kgDental Ridges: The ridges on the ID Ball are stimulating for your dog while also cleaning your dog’s teeth while he chews, helping prevent tooth decay and bad breath.Natural: Industrial Dog’s all natural rubber compound is FDA compliant, non-toxic and biodegradable. It is sustainably harvested helping us reduce our carbon footprint. Animal and planet friendly!Made In USA: Proudly keeping jobs in America! Designed and Manufactured in the USA!Veterinarian Approved: Veterinarian Approved!Dishwasher Safe: Dishwasher safe and easy to clean!Replacement Guarantee: We s.