100% Percale Cotton MATERIAL: 100% Percale Cotton- constructed with optimal breathability SET INCLUDES: One flat sheet, one fitted sheet and two king pillowcases FEATURES: Includes a fully elasticized fitted sheet- Premium elastic installed all-around to prevent the fitted sheet from slipping and ensure that it stays in place during use; Deep pocket- Fits mattress up to 18" deep (up to 15 for twin size) DIMENSIONS: Flat Sheet- 102"L x 108"W, Fitted Sheet- 80"L x 78"W, King Pillowcases- 20"L x 40"W CARE: Machine wash cold, tumble dry low