100% Polyester NECK PAIN RELIEF: Comfort your neck and shoulder while driving long time or long distance which can support your cervical spine in different directions, car seat neck pillow with 100% pure memory foam provides a great support for your cervical spine and head, help you maintain the correct posture in driving, and make your driving safer and reduce fatigue ELASTIC ADJUSTABLE STRAPS: High-quality buckle highly secure on your seat prevent neck pillow for car slip down or fall away from the seat, giving a fixed hold and better to support your neck, you can adjust the height of your car pillow you want BREATHABLE, SKIN-FRIENDLY & DURABLE: Cloth cover of car seat pillow is made of updated style knitted fabric which make it soft, skin-friendly, and suitable for all seasons; the pillow cover is removal and machine washable, and not washable foam core is durability ERGONOMICALLY DESIGN: Ergonomically designed by human neck curve, release neck pain and shoulder pressure, pro