"FABRICATION: Experience Nautica's Best Sheet Ever constructed in a 400 thread count with 100% Cotton sateen fibers COLOR & FEEL & PLY: Smooth and lightweight cotton is breathable; Luxurious sateen finish offers a sleek and soft feel. The Nautica Regatta Cotton Luxury Sheet Set features a solid light grey ground FITS AN EXTRA DEEP MATTRESS: Includes an oversized flat sheet; The fitted sheet is made with a thick 1"" elastic band to ensure a snug fit to all mattress sizes; Extra deep pockets- 18"" fitted sheet pocket depth. The Nautica Regatta Cotton Luxury Sheet Set features a solid light grey ground SET PIECES: King Fitted Sheet (1-Piece): 80""W X 78""L, King Flat Sheet (1-Piece): 108""W X 114""L, King Pillowcase (2-Pieces): 40""W X 20""L OEKO-TEX & EASY CARE: Easy care- machine washable. Oeko-Tex certified- the mark of excellence for products that are healthy for you and healthy for the environment; Anti-pilling features for long lasting comfort"