Pet Qwerks ZFLFB4 Bacon Infused Flavoring Flex Bone Dog Chews, X-Large Fill flavor cells with your dog's favorite, spreadable treat. The little pockets hold the food product in the bone and it challenges your dog to lick and get the food inside those tiny pockets Your dog gets the real taste from the cheese but not the volume of unhealthy food. Dishwasher safe. Its the only treat that you can re-treat if that makes sense The small bone is designed for dogs up to 15lbs/7kgs. If there are multiple dogs in your household, you should always buy the size suitable for the largest pet