WORLDS BEST RUBBER DOG TOY Designed to satisfy tenacious power chewers, now being used worldwide by police K-9, drug enforcement, and military K-9. Supervised use is strongly recommended for power chewers KONG STUFFN treats and pastes work great to initiate play sessions. Kongs are proudly made in the USA by people who know and love dogs. Kongs performance and durability is Kongs performance. legendary. We set In nature, however, dogs are predatory meat-eaters. Hunting for food is physically and intellectually challenging. Clean. Depriving dogs of their natural drives can result in serious behavioral issues including: excessive barking, destructive chewing, soiling, digging and separation anxiety. Dogs Need KONGS - Kongs are widely used for therapy and prevention of boredom, separation anxiety and other behavioral issues. Regular use of Kongs can also improve oral Their unpredictable bounce lures most dogs into a game of game chase, catch and chic. The hollow center can be filled with food and treats. A dab of peanut butter spread around the inside is very effective.. Sizing: Extra-small for dogs under 5 poundsSmall for dogs up to 20 poundsMedium for dogs 15-35 pounds Large for dogs 30-65 poundslarge Extra- for dogs 60-90 poundsXX-large for dogs over 85 pounds