Everyday Luxury Relax in the incredibly soft feel of sateen weave in premium cotton. Cottonova 400-Thread-Count 4-Piece Sheet Set includes 1 flat sheet, 1 fitted sheet and 2 pillowcases. This sets comfort is matched only by its simple, elegant style. Cottonova 400-tc 4-Piece Sheet Set: 100% cotton; Imported. Includes flat & fitted sheet and 2 pillowcases. 400 thread count. Fits mattresses up to 17 in. thick. A Closer Look: Made in India from long-staple yarns. Extra deep pockets are designed to fit up to 17 in. mattresses. Take Care: Machine-washable and dryer-safe. 100% Cotton.