BUILT FOR MODERATE CHEWERSSuper bouncy and crazy fun, West Paw’s dry treat-dispensing, puzzle dog toy, Rumbl, encourages healthy play. Rumbl's unique “fish trap” opening makes for easy loading, yet keeps dry food inside. Superior durability and hollow construction make this puzzle toy’s springy material heaven to a dog’s chompers while its playful wobble adds to the excitement and increases engagement. Playful wobble sporadically dispenses treats. Fits a wide variety of dry treats and kibble. Doubles as a slow feeder: large fits two cups of kibble, small fits one cup. . Non-toxic & Dishwasher Safe. Made with zero-waste and recyclable Zogoflex® material in Bozeman, Montana. Backed by our Love it Guarantee™. Recyclable through our Join the Loop® recycling program. PLAY SAFE. PLAY SMART. . Please remember your dog’s safety is your responsibility. No dog toy is indestructible. Choose only toys that are the appropriate shape and size for your dog and always supervise your dog’s use of this toy. If damage occurs, please discontinue use of the toy immediately. . We guarantee the performance and quality of our products. This collection is designed to be safe and durable. If you are dissatisfied with your purchase, we'll make it right! . Rumbl works best with dry treats, kibble or jerky. For an added change stick our best selling Hurley in the top of Rumbl. Small size best for smaller dogs less than 40 lbs. Large size best for medium to large dogs over 40 lbs. To keep your dog motivated, change up the challenge with West Paw’s other puzzle-treat toys – Qwizl®, Toppl® and Rumbl® .