Pillowcase size (20" x 36") Exclusive filling materials Silk-like fabric - Made from premium-quality fabric for a soft, springy feel. We offer more cost-effective satin pillowcases that are as soft as a silk pillowcase, yet stronger and more sustainable than silk. These pillowcases are also gentle on your sensitive skin for a restful night's sleep every night. Best for hair and skin - Cabin silk pillowcases prevent hair from tangling and frizzing. It creates less friction in hair and reduces hair loss compared to sleeping on cotton pillowcases, perfect for preventing wrinkles, dry skin, and frizzy hair. It doesn't absorb moisture to help maintain your shiny hair, ideal for curly hair. Easy to care for - These satin pillowcases offer a silk-like quality and can be easily cleaned. Simply turn the satin pillowcase inside out, place it in a laundry bag, and wash with a mild detergent. The cooling luxury satin pillowcase maintains its quality in cold washing and dries better when hung to air dry instead of using a tumble dryer. Beauty Sleep: Not only is this material hypoallergenic, it also prevents skin irritation. The smooth structure minimizes hair frizz and skin friction. Over time, the reduced friction against the skin will also help reduce wrinkles for long-term skin care.