The GoughNuts Maxx 50 Stick was made to help you play safe with your dog. With a safety indicator built in that is easy to use you will be warned before play becomes dangerous. Using a color coded method the Black/Green color means to play and Red cautions to stop play. The layers are meant to protect you from your dog's mouth with distance. As soon as you reach the red layer of the Maxx 50 Stick we recommend that you cease playing with the toy. The stick is only recommended for dogs that are aggressive chewers as the stick size maybe be too large for your dog. If your dog is an aggressive chewer and has ripped up many toys then this is the right choice for you! To keep you and your dog safe we recommend you do not play close to water as the stick does not float. Measures 11.5 Long 2.1" Cross section.