The Green Interactive Feeder is a unique feeder that works not only to slow down fast-eaters, but also turns mealtime into a challenging game. Made of durable, dishwasher-safe hard pthalates-free plastic. For use indoors and out. Significantly reduces the risk of vomiting, gagging, gas, belching, and bloat. Turns meal time into a challenging game. Now available in smaller dog and cat (in purple!) versions.