Nylabone DuraChew Original Flavor Bone Dog Toy World’s Best Cat Litter They are suitable for freshwater

They are suitable for freshwater and saltwater

Fish need properly balanced levels of ammonia

To provide different perching surfaces and levels

The pellets contain a high amount of protein per serving

Nylabone DuraChew Original Flavor Bone Dog Toy World’s Best Cat Litter They are suitable for freshwaterNylabone Durable Chew Bone. Designed To Satisfy The Chewing Instinct Of Aggressive Chewing Dogs. Nylabone Durable Chew bones are recommended for teething puppies and powerful chewing dogs. We've indicated which size may be appropriate by dog's weight. ** Sizes: Petite for dogs under 8 lbs., Regular for dogs 8 to 20 lbs., Wolf for dogs 20 to 45 lbs, Giant for dogs 45 to 65 lbs. and Souper for dogs over 65 lbs. Ingredients Nylon, Chicken flavor