Features: Silky Smooth, All-Season Comfort: Crafted from bamboo-derived fabric with a cloud-like weave—softer than cotton, breathable for summer coolness and cozy winter warmth. Zero-Slip Grip & Gentle on Hair: Deep 16-inch pockets grip thick mattresses securely, even during restless nights. Silky envelope pillowcases minimize friction to keep hair smooth. Effortless Care, Enduring Softness: OEKO-TEX® certified and machine-washable. No fabric softeners are needed, and it stays luxuriously smooth and color-rich for years Certifications: OEKO-TEX® certified for chemical safetyMaterial: Rayon Derived from Bamboo What's Included: 1 Flat Sheet, 1 Fitted Sheet, and 2 Pillowcases Twin and Twin XL sets include 1 Flat Sheet, 1 Fitted Sheet, and 1 pillowcase Split King sets include 1 Flat Sheet, 2 Fitted Sheets, and 2 Pillowcases