Grate Litter Mats from Fresh Kitty are dual-layered mats that capture fallen litter as cats exit the box. It is designed to catch more litter and prevent tracking. Top sifting layer allows excess litter to fall through and get trapped in between. Made from BPA-free, high-grade waterproof material that repels liquid waste. Features pocketed design for easy lifting and to empty out excess back into the litter box. Cleaning is a breeze by rinsing and drying; ready to use in minutes. The Grate Litter Mat top surface is soft on kitty’s paws.