Deeply Sculpted Channels,Designed/engineered and manufactured by WeatherTech in America!,Anti-Skid Ridges To Prevent Shifting,100 percent recyclable,Contains no harmful PVCs/cadmium/lead or latex,Will not curl/crack or harden in sub-zero weather,Designed To Trap Water/Road Salt/Mud And Sand,Holds up to 1.5 quarts of water without spilling,Made from an OEM approved advanced rubber-like Thermoplastic Elastomer (TPE) compound,Protective Non-Stick Finish For Quick Cleanup,Compound wont break down in extreme weather environments