Room Essentials&reg; Dorm Sheet Set - White (Twin XL) Thread Count: 210 Fits Mattresses: Up to 15" Deep Number of Pieces: 3 Includes: 1 Pillowcase, 1 Fitted Sheet, 1 Flat Sheet Weave Type: Sateen Fiber Content: 60 % Cotton, 40 % Polyester Care and Cleaning: Machine Wash Warm Dimensions: 10.4 x 8.1 x 3.9 inches