LM1 Features: -Track-less litter mat traps litter from cat's paws. -Fits Van Ness enclosed pans and most others. -Rubber material. Color: -Gray. Material: -Rubber. Country of Manufacture: -United States. Dimensions: Overall Height - Top to Bottom: -0.63". Overall Width - Side to Side: -17". Overall Depth - Front to Back: -13.75". Overall Product Weight: -0.81 lbs.