Set Includes: 2 King Size Pillowcases, 20" x 40" Temperature-Regulating: HYGROCOTTON® hollow core yarn wicks away moisture keeping you cool in the summer and warm in the winter Shrink and Wrinkle-Resistant: Properties ensure that your bedding stays looking fresh and neat, even after multiple washes Certification: OEKO-TEX Made in Green meets high environmental safety?standards Thread Count: 400 Thread Count 100% Cotton Sateen Weave Care: Machine wash warm, tumble dry low Silky and smooth, wrinkle resistant sheet set from Better Homes & Gardens, sold exclusively at Walmart