JP Polycarbonate non-slip tray made in shatterproof polycarbonate, with non-slip rubber surface, prevents slipping and sliding of glass and drinkware.JB large line of Food Cover, made in unbreakable polycarbonate, crystal clear for easy viewing of foods, keep food hot and appetizing, lightweight and quieter handling, unbreakable and no denting, dishwasher safe, can be used in heated carts, under heat lamp and microwave.