Sporn Durable Marrow Chew Bones are the chewable nylon bones with "Jerky Flavour Down the Middle!" Perfect for strong chewers, nylon shavings act like a toothbrush and help remove tartar from the dog's teeth. Unlike traditional rawhide bones, this bone will last! Marrow Chew Bones are available in 5 sizes. Key Benefits: Helps with Tartar Control For Strong Chewers, Great for Dogs with Chewing habits! Jerky Flavour Down the Middle Veterinarian Approved Provides Hours of Chewing Satisfaction Note: Suitable for tough chewers Every dog plays differently and, since not all toys are created equal, it’s always best to keep a close watch on your pup in case things get ruff. Supervised play will help toys last longer and most importantly keep your pal safe. No dog toy is truly indestructible, so always remove the toy from playtime if it shows signs of wear and tear.