65% Polyester, 35% Rayon Derived from Bamboo Silky Soft: The Bedsure bed sheet is made from a blend of 35% rayon derived from bamboo and 65% polyester fiber with a unique twill weave, making it stronger than cotton, smooth like silk, cool to the touch, and free of wrinkles. Sleep like you're on a cloud with these comfy bed sheets. Cool & Dry All Night: This bed sheet set comes with all the benefits of rayon derived from bamboo, and its moisture-wicking, breathable and thermoregulation properties will keep you cool in summer and warm in winter. Built to Last: This queen sheet set, made with a blend of rayon derived from bamboo, features double-stitched seams for an added level of durability to resist wear and tear and prevent seam slippage. Easy to Care: These Bedsure sheets are Standard 100 by OEKO-TEX certified for high safety standards. These sheets are lighter weight, softer, and more comfortable than traditional jersey sheets, and are fade. Simply machine wash them in cold water on a gentle cycle for a like-new restoration. Do not use bleach and fabric softener. What You Get: This queen sheet set comes with pillowcases, a flat sheet, and a fitted sheet with full elastic and a deep pocket that tightly fits mattresses up to thick without shifting. Size（Inch） Bed Set Flat Sheet Fitted Sheet Pillow Case Twin 3PCS 1 (66"x96") 1 (39"x 75"+14") 1 (20"x 30") Twin XL 3PCS 1 (66"x100") 1 (39"x80"+14") 1 (20"x 30") Full 4PCS 1 (81"x 96") 1 (54"x 75"+14") 2 (20"x 30") Queen 4PCS 1 (90"x 102") 1 (60"x 80"+14") 2 (20"x 30") King 4PCS 1 (108"x 102") 1 (78"x 80"+14") 2 (20"x 40") Cal King 4PCS 1 (108"x 102") 1 (72"x 84"+14") 2 (20"x 40")