100% Cotton CALVIN KLEIN HOME: A collection of timeless and versatile modern pieces that will be your go-to bedding accessories, season after season. ORGANIC EARTH COLLECTION: Rooted in sustainability, this minimalistic collection features plant-based dyes in five calm earth tones. Combining Calvin Klein's refined style with a commitment to reducing our carbon footprint, these pieces are perfect as statement items or for layering. SET INCLUDES: One flat sheet, one fitted sheet and two pillowcases. Our sheets are made with 100% organic cotton with a 300-thread count sateen weave. CARE: To get the most out of your Calvin Klein sheets, use a gentle, cold water cycle and tumble dry low. Remove promptly to avoid wrinkles and iron on a low setting if necessary. CERTIFICATIONS: This sheet set is thoughtfully crafted with sustainability in mind and is Oeko-Tex & GOTS Certified, providing you with peace of mind for a safe and healthy sleep environment.