The So Phresh Rectangle Shape Cat Litter Trapper Mat gives your cat a place to wipe her paws as she exits her litter box. The soft, spongy material is gentle on your cat's paws and also keeps litter granules from spreading all over your house. Rectangular- shaped mat maintains the litter box area, so it always looks clean and tidy. Large mat measures 35" x 23.5". Jumbo mat measures 47" x 37.5".