TOP QUALITY, LONG SERVICE LIFE. Adopts high-graded eco-friendly sponge materials, soft and flexible, non odor, skin-friendly, wear resistant, super breathability, very durable. Compact and portable, easy to use and clean. The velcro-strap design, convenient to adjust the length of the cervical support as your needs. Fit for the people whose neck circumference is from 15''-17''. PERFECTLY FIT FOR YOUR NECK. Ergonomically designed neck brace. The three-layers curves, perfectly fits for your chin, neck, chest and shoulders. The U-shaped edge of the brace fits snugly around your neck and jaw, so as to provide all direction support for the neck and head. Neck pain relief. Improve spine curvature. FEATURES. Reliefing neck pressure. Reducing the loading weight of the spine. The non-rigid neck support effectively helps relieve headaches caused by neck strain and sprains. Can be used while sleeping, driving, nap and working, etc. WARM TIPS: Please remove hard items like necklace, earrings before wearing A MUST HAVE FOR OFFICE/HOME. Can be used for at home therapy, self-chiropractic care for posture corrections or neck stretcher. Very suitable for office women and men, taxi drivers, bus drivers, school teachers, students, adults, olds, home, etc. Package Includes: 1 Piece Portable Neck Support Specifications: Color: Black Material: Sponge Type: Medium; Large Weight: Approx. 130g Medium Length: Approx. 40cm/15.75in Large Length: Approx. 42cm/16.54in note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you