Nylabone DuraChew Original Flavor Bone Dog Toy World’s Best Cat Litter 07 series marks the 7th

07 series marks the 7th incarnation in 4 decades of Fluval’s top selling canister filter family worldwide

Fish need properly balanced levels of ammonia

Supports the metabolism of fats

and formaldehydes

Easy for dogs and humans to pick up from any angle

Nylabone DuraChew Original Flavor Bone Dog Toy World’s Best Cat Litter 07 series marks the 7thNylabone 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