REMENDED BY VETERINARIANS FOR KITTIES WHO STRLE WITH TRADITAL 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 ENTRY LITTER BOX provides a clear view of surroundings and eliminates the need to strle with doors and openings. MORE ROOM than standard boxes allows your cat to properly posit itself in the litter box,ensuring l chance of them missing. MULTIPLE LITTER BOX SIZES available: small for cats and kittens up to 6 pounds,lar for cats up to 20 pounds,and jumbo for extra-lar or multiple cat households. MADE IN THE of durable material that is long-lasting,easy to clean,and maintain..