RECOMMENDED BY VETERINARIANS FOR KITTIES WHO STRUGGLE WITH TRADITIONAL LITTER BOXES! SPECIALLY DESIGNED with senior cats, cats with arthritis, and cats fearful of enclosed spaces in mind. LOW ENTRANCE cat litter pan (just 3 inches high) makes it easy for your cat to enter and exit without jumping. OPEN TOP ENTRY LITTER BOX provides a clear view of surroundings and eliminates the need to struggle with doors and openings. MORE ROOM than standard boxes allows your cat to properly position itself in the litter box, ensuring less chance of them missing. MULTIPLE LITTER BOX SIZES available: small for cats and kittens up to 6 pounds, large for cats up to 20 pounds, and jumbo for extra-large or multiple cat households. MADE IN THE USA of durable material that is long-lasting, easy to clean, and maintain.