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 kg REDUCES PROBLEM BEHAVIORS: Reduces problem chewing, helps reduce boredom, and relieves separation anxiety. DENTAL 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: SodaPup'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! 30 DAY REPLACEMENT GUARANTEE: