Olee Sleep 4 Inch Memory Foam Mattress Topper Pad 04TP02Q 5-star luxurious comfort - instantly makes any mattress more restful, comfortable and supportive with our multi layered memory foam Sleep sound with dura memory foam - comfort layer of new premium dura memory foam provide additional body conforming comfort Best in class premium polyester cover - our best in class premium textile cover keeps your mattress fresh and clean 1.5 inch dura memory foam + 2.5 inch dura high density foam Mattress topper comes compressed and rolled for easy shipping + washable cover