Tumbler, putting a spin on slow feeding! A Treat Puzzle, to help stimulate both body and mind all while filling their tummy. There are 3 adjustable release rates for different levels of learning and feeding. Made from food grade, high resistant ABS, this treat puzzle-toy is highly durable and is a great addition to any meal time! Choose from our 5 Rogzilicious colours in 1 size. Rogz Slow feeder (Tumbler) is designed to prevent gulping. With a large treat cavity, Tumblers are easily filled with various types of treats and dry pellets for your dog to enjoy. The unique inner ring counterweight allows you to adjust the rate at which treats are released according to your dog's learning level. This serves as a slow feeder for dogs who guzzle their food. It can help reduce the likelihood that your pet will gulp down his meals and is therefore meant to alleviate issues associated with fast eating.