T-Rex White Roll On Truck Bed Liner, 2K Urethane, 4 quart kit, SMR-1000WROLL-K4.Also included is two scuff pads, one brush, one pan, a mixing cup for measuring the activator, one roller handle and two rollers to apply the bed liner. Coverage is 15 Square Feet per Quart of T-Rex Bed-Liner. The SMR-1000 is a 1.7 lbs/gallon voc and is the only bed liner that is 50 state compliant. SMR-1000 is a true 2K urethane with outstanding adhesion to steel and sanded paint. This coating is formulated to withstand the same atmospheric conditions as a high quality single stage urethane topcoat.