Energy Saving Lamp We have plastic covers for 2U, 3U, 4U and spiral lamp, and PL lamp, and our covers including PBT, PP and AB We have plastic covers for 2U, 3U, 4U and spiral lamp, and PL lamp, and our covers including PBT, PP and ABS. Our quality is stable and prices are reasonable.Energy Saving Lamp We have many colors and patterns for your choice.