LINENSPA Wrinkle-Free Lightweight Oversized Microfiber 4-Piece Bed Sheet Set, CAL KING SILVER SAGE Microfiber fabric is soft like cotton and has a breathable weave. The most oversized dimensions available anywhere. Fits mattresses up to 22" deep with fully elasticized fitted sheet. Wrinkle-free and stain resistant. Easy care - machine wash, tumble dry. Includes 1 flat sheet, 1 fitted sheet, and 2 pillowcases.