The Pet Life ® 'Roto Paw' IQ Training Interactive Rotating Slow Dog Feeder is a combined two-step interactive slow feeding dog feeder that's great for developing cognition. The Roto Paw Dog Feeder features an above cylinder with a Windmill-like rotating mechanism with an inner chamber for placement of Treats and Dry-Food. The windmill spins on an axle and releases food through the Dual-sized holes and onto a larger slow feeding food tray that's designed to ease digestion and provide a rewarding experience. This Slow Feeder also features adjustable height settings with knobs located on each side for less reach-over during play. SIZING DIMENSIONS: (INCHES) L x W x H 12.6 X 10.63 X 9.84