Cascade Rescue M200 Litter Pad Made from the same rugged material as our Patient Protector, this two-piece litter pad is designed to Velcro right to the bottom of your Model 200 Advance Series Litter. Closed-cell ethafoam padding is heat sealed between layers of heavy 10 oz. vinyl and can be washed or sterilized after use. Also available to fit the Advance Series MAX Litter.