Face and Back is 100% Cotton. 100% Cotton Comfort: Soft, breathable cotton sheets deliver lasting comfort and a natural feel for better sleep. Deep Pocket Design: Each fitted sheet features a 13" pocket that securely fits mattresses up to 15" deep—ideal for pillow-tops and foam mattresses. OEKO-TEX Standard 100 Certified: Independently tested and certified free from over 300 harmful substances for safety and peace of mind. Easy Care & Durable: These sheets are machine washable, fade-resistant, and made to maintain their softness wash after wash. Relaxed & Casual Style: Inspired by laid-back comfort and approachable design, Brooklyn Loom brings a cozy, inviting touch to any bed.