From Luxury Hotel, this sheet set features: Made extra-long staple fibers of supima cotton, grown only in the USA, give these 600-thread-count sheets superior softness and increased durability The sateen weave is smooth to the touch    FabFit: The world’s most adaptable fit technology assures a more comfortable sleep. Patented stretch technology for the ultimate secure fit that stays put Full stretch and recovery on all sides of the fitted sheet FabFit fitted sheet stretches to fit 2-size mattress. The Full/Queen sheet set will fit both Full and Queen mattress sizes.  The King/Cal King sheet set will fit both King and Cal King mattress sizes Easy to put on and stays on your bed Supima cotton pillowcases, flat sheet, and body of fitted sheet Adjustable corners of fitted sheet Cotton/spandex Fits up to approx. 18” mattress Machine wash Made in Green by OEKO-TEX Twin/Twin XL set includes: Flat sheet approx. 68” x 97” Fitted sheet approx. 39” x 80” +17” One pillowcase approx. 21” x 32” - oversized Full/Queen set includes: Flat sheet approx. 94” x 106” Fitted sheet approx. 60” x 80” +18” Two pillowcases approx. 21” x 32” - oversized King/California King set includes: Flat sheet approx. 112” x 106” Fitted sheet approx. 72” x 84” +18” Two pillowcases approx. 21” x 40” Split King set includes: Flat sheet approx. 112” x 106” Two fitted sheets approx. 39” x 80” +18” Two pillowcases approx. 21” x 40” Oversized pillowcase pair includes: Two pillowcases approx. 21” x 32” - oversized King Pillowcase Pair includes:  Two pillowcases approx. 21” x 40” Imported. Standard and king pillowcases are sold in pairs.