?100% Refund Guarantee?Buy the item with confidence! Either you love the Neck Support Brace or get a full refund! Just let us know what the problem is and we will take care of the rest. We highly appreciate all customers' opinions to improve the quality and service, also if there is anything you are unsatisfied, pls contact us for the probable best solution. Thanks!. ?Useful?It is very effective in adjusting posture and stabilizing the vertebrae, removing strain from the neck and upper back. More suitable for travel, office, playing games and watching movies. It is also helpful for post-operative rehabilitation and injury support of cervical spine. Velcro design, you can adjust the tightness freely. ?Comfortable?Designed according to ergonomics, not only has a good "V" shape around the chin, making it not as stiff as other products, and give you the maximum comfort while keeping the neck stable. The rising curves on both sides better support the neck. This Cervical Collar is made of 100% silicone material, which is soft and elastic without irritation to the skin. ?Breathable?This Neck Support provides good support to the neck without stressing or cutting off blood flow or preventing air circulation. Keep the neck cool and dry. You can breathe and cough freely. Perfect for hot summer. ?Washable?This Silicone Neck Brace is easy to clean and can be washed directly with water, and it only takes a few seconds to dry and use after washing. You can wear it bath, shampoo, swim, etc. Silicone.