Sporn® Durable Marrow™ Chews are the only chewable nylon bones with "Jerky Flavour Down the Middle"! Perfect for strong chewers, nylon shavings act like a tooth brush and help remove plaque and tartar from the dog's teeth. Unlike traditional rawhide bones, the SPORN® durable nylon Marrow™ Chews will last! The T-Bone shape allows for easy gripping, while providing hours of chewing satisfaction. Composition: Nylon and Jerky Filling (Water, Vegetable Oil, Maltodextrin, Salt, Modified Starch, Sodium Hydrazide, Hydrolysed Vegetable Protein, Nisin and Flavour). Ideal for Toy or Small breed dogs. Dimensions: .75" length, .5" width, 4.5" height. Please monitor your dog for safe chewing at all times.