100% Polyester PRODUCT FEATURES - Satin luxury sheet set, wrinkle free and durable with 2 extra pillowcases included.This sheet set includes 1 flat sheet, 1 fitted sheet, and 4 pillowcases. Perfect for any season, with a glossy surface makes you feel cool in the summer and warm in the winter FIT - With elastic all around, the deep pocket fitted sheet can be stretched to fit snugly with your matress.Fits mattress up to 16" FABRICATION - 100% polyester microfiber with long lasting strength and fade resistant PACKAGE INCLUDES AND MEASUREMENTS - 1 Flat Sheet:108"Wx102"L 4 King Pillowcases:20"Wx40"L(4) 1 Fitted Sheet:72"Wx84"L+14"D EASY CARE - Machine washable and dries quick on tumble dry low