This chew toy is perfect for small, medium and large breed aggressive chewers. Fill the center with treats and/or pet specific toothpaste and keep your fur baby busy for hours! Made with 100% pet safe silicone and virtually indestructible. This dog bone will keep your pets teeth clean and free from tartar further eliminating more complicated health risks in the future. The interactive design keeps your dogs IQ levels up by trying to find ways of getting to the center to collect the treats. It is recommended to wash after use using warm water to avoid bacteria build up. 100% veterinarian approved!