100% rayon viscose bamboo. Bamboo cooling pillowcases help you get your beauty sleep, as they’re silky pillowcases that are gentle on hair and skin. Soft pillowcases offer ultra-comfort and better sleep, so you wake up refreshed. Set of 2. Premium quality: tight twill weave, oversized, won’t pill, and are fade-resistant. Stay dry-moisture-wicking: bamboo wicks away sweat up to 3x faster than cotton, keeping you dry, fresh and clean while you sleep. Cooling pillowcases. SILKY SOFT & COMFORTING: a luxurious cashmere-like feel, twice as soft as cotton. HYPOALLERGENIC: soothes sensitive skin. Say goodbye to irritation, puffiness, acne, and rashes. Bamboo resists dust mites. BEAUTY SLEEP-RESISTS BACTERIA: Acne and skin irritations can be unknowingly caused by poor quality sheets. Bamboo sheets naturally resist bacteria. STAY DRY-MOISTURE-WICKING: Bamboo wicks away sweat up to 3x faster than cotton, keeping you dry, fresh and clean while you sleep.