Sit-N-Stay Large Magnetic Non-Slip Pet Tray & Food Bowl Set (Good Dog) Good Dog design Eliminate food bowl slipping and sliding! Powerful rare earth magnets lock metal bowls in place. Food and water bowls magnetically snap into specially designed pockets, locking them into place. Non-slip rubber feet ensures tray stays put. Spill-proof half inch lip on tray keeps food & water from spilling on floor. Includes plastic lids to protect leftovers & prevent overeating. Great for everyday use, travel, RVs, camping, vacations and doggy daycare!