Neck Health---Great for helping relieve ailments including stiff neck, arthritis, headaches, muscle spasms, sprains or strains, and other neck injury pains. It also protects the neck and minimizes the risk of injury Self-heating --- It has three advanced nano-tourmaline ultra-self-heating magnets, three-dimensional treatment technology with infrared heat, making the treatment process faster and easierEFFECTIVE AND COMFORTABLE --- Heals faster, reduces swelling and stiffness, and has no side effects. The automatic release of far-infrared heat provides a warming and soothing sensation. No drugs involved, this neck collar improves blood circulation in and around cramped or sore muscles Portable --- Durable and durable. Its easy to take with you wherever you go. Gentle and unrestricted movement for all activities throughout the day Size: One size, the hook and loop can be easily adjusted to fit all necks. unisex Package Included: 1*Neck Support Strap Note:1. Please allow slight errors due to manual measurement. Please make sure you do not mind before bidding.2. Due to different monitors, the color may vary, please understand. Note:Hello, please pay attention to your shipping address when purchasing the product. If your receiving information (eg: name, street, house number, doorbell/email with no name, etc.) is incorrect, the order will not be delivered correctly.