This is a new, unused item that arrived on 2026/02/27. Immediate purchase is okay. The item will be removed from its box and shipped with reduced thickness. Brand: MediAid Size: Free Product Use/Usage: Head support, prevention of forward head posture [A Supporter Brand Made by a Medical Manufacturer] MediAid Breathable and Comfortable Neck Supporter Style Care Neck Keeper for Straight Neck, Tech Neck, Medical Cervical Collar, Corset, Neck Stretcher for Men and Women by Japan Sigmax for Neck Stiffness, Shoulder Stiffness, and Herniated Disc Countermeasures Use: Neck Target Age: Adult Color: Black Gently supports and reduces neck strain. It supports the weight of the head and reduces strain on the neck during desk work, where the head tends to tilt forward. [Functionality]: Maintains the angle of the neck during desk work, where the head tends to tilt forward, while supporting the weight of the head and reducing strain on the neck. [Comfort]: Made with a hard mesh fabric to ensure breathability. The moderate cushioning prevents irritation around the neck, allowing for comfortable wear even for long periods. [Wearability]: Easy height adjustment. You can adjust it higher or lower according to your neck length and the situation. The curved design considers the human shape around the neck for a body-fitting experience. The weight of a human head is nearly 10% of their body weight. The neck supports that head, but with smartphone use, video watching, and desk work, modern people's necks tend to tilt forward. The Neck Keeper guides the neck to its natural position and gently supports the weight of the head.