All Seasons Bed Pillows: The cooling side is cold and comfortable reducing the heat your body produces during the night.Another side for sleeping goes with 100% cotton are often breathable to help prevent sweat. Moisture wicking fabrics also keep you comfortable and dry when sweating, which is friendly to skin and ensures you a comfortable night's sleep. Premium Materials: All fill material is made of clean down alternative, Our pillows pass OEKO-TEX Standard 100 certified, which guarantees the product quality, safety and health and meets environmental standards. It is safe for you and your loved one. Perfect for All Sleeping Positions: This pillow filled with 100% polyester fiber which provides a great balance of supple softness and plump firmness. The bed pillow is supportive enough and excellent for a back, side or stomach sleeper. Superior Bedding Decors: Hotel collection pillows have a 250 thread count cotton cover filled with a soft 100% Polyester Fill. One of the best first apartment or new home essentials gift for bedroom, guest bed room, college dorm or house decor. How to Keep Fluffy and supportive: Please try to pat the pillows until fluffy and no wrinkles after open the package ,this pillow suitable for many sleeping positions.