Japanese-made neck support to reduce neck strain during desk work and smartphone use. - Brand: LifeRinger - Product Name: Neck Support - Supervised by Doctors: Double supervision by an orthopedic surgeon and a neurosurgeon - Purpose: Reduces neck strain during desk work and smartphone use - Features: Countermeasures for straight neck - Country of Manufacture: Made in Japan Target Age: Adults Materials: Nylon, Polyester 【Double Supervision by Active Orthopedic Surgeon & Neurosurgeon】 Supervised by Dr. Hiroaki Yoshikawa, a pain clinic specialist and a specialist of the Japanese Society of Pain Clinicians, and Dr. Tae Ito, a neurosurgeon. Designed and developed with the concept of "naturally correcting while wearing." We want to help as many people as possible who feel neck pain from long hours of desk work, smartphones, and PC use. This neck and cervical spine support was born from that desire. The height adjustment function is designed to fit all foot types. *Fit may vary depending on foot size (length, width, and circumference). 【Emphasis on Lightness and Breathability】 Mesh material is used on the sides to improve lightness and breathability, achieving both. 【Foldable Compact Design for Easy Carrying】 When folded, it is a compact palm size of 7cm wide x 18cm long x 8.5cm thick. It fits easily in tote bags, shoulder bags, and backpacks. You can use it without burden even when traveling. 【Reliable Japanese Brand】 This product is a reliable Japanese brand. 【Adjustable Size】 Width 29cm-47cm, Height 8cm-11cm *This product is one size fits all. Adjustment is required depending on the size of the neck. 【Materials】 Nylon, Urethane, Polyester