Description: Our traction device supports your neck, while elevating the jawbone. This helps to achieve optimal spine alignment, which relieves tension in your nerves. Our cervical pillow is easily adjustable neck size, comfortable spinal stretch to relax your neck and shoulders. We suggest wearing it for two to three hours at a time for the best results, alternating rest periods to ensure remaining comfortable whilst using the product. We recommend using a low with neck support, firm pillow for heat compress to work towards restoring your natural muscle function. The neck brace is good for anyone wanting to improve their posture and to maintain every day support while watching TV, Play games, work and study. To ensure a snug and supportive fit, please look upwards and tilt your head slightly while adjusting, and gently lower your chin down onto the support. Specification: M Size: 22x13cm/8.66x5.12inch S Size: 22x10cm/8.66x3.94inch L Size: 22x16cm/8.66x6.29inch Material: Latex + polyethylene + steel wire Package Includes: 1 x Neck Brace Support Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.