Planet Dog's Orbee-Tuff Mazee is engaging, rewarding, and fun! This interactive dog puzzle toy is great for bored pups who need a rewarding brain teaser or to encourage slower eating habits in fast eaters. The translucent and pliable Orbee-Tuff outer rubber shell design is combined with the plastic inner maze to entice all your dog's sense! Cleaning is simple and fast. Just fill the ball with warm water and gentle soap, shake, rinse out, and air dry. This toy is intended for supervised fun and is not a chew toy or suitable for aggressive chewers.