Free-size thermal supporter to warm the neck, shoulders, and back, for both men and women. Easy to put on with a Velcro strap. ● Relieves stiff neck and shoulders just by wrapping it around ● Warm support with the double power of moisture-absorbing heat generation and heat retention ● Warms the acupressure points "Dazhui" and "Fengmen" ● Warms the neck and shoulders comfortably just by wrapping it around Size: Neck circumference approximately 28-48cm Material: Mesh part of the outer fabric: nylon, polyurethane Piping part: nylon Made in Japan