Cats Desire Disposable Litter Boxes Covered Box with Litter Cats Desire covered litter box with 10 lbs of clay (non-clumping litter ) ready to use. Invisible moisture resistant barrier inside that actually works! 2 in 1 design. Large size: 19 x 17 x 9.5 each tray -Tall - Angled walls for added room and less litter scatter. Unbelievable odor control and Very tall. U.S. Patent 9258977 open or enclosed. Great for vacations, apartments and everyday use. 2 trays and 10 lbs litter included.