This dog toy is made in the shape of a dumbbell weight and is made with a non toxic synthetic rubber material. Each end of the dumbbel has a red crinkle bag inside to make a noise when bitten. The toy is suitable for puppies and dogs and will provide lots of fun and stimulation and will help keep your dog active.15cm, 103kg in weightMaterials: 30% Natural Rubber, 20% Other Fillers for Rubber, 50% PolyesterCare Instructions: Pets should be supervised when playing with toys. This toy is strong but not indestructible and will eventually become susceptive to chew damage. Examine regularly for wear and replace if any damage could represent a health hazard.