Product achieved 2258% of its target on the crowdfunding site "Makuake" gruria Neck Repair Warms... Improves blood flow with far-infrared effects, supporting body warming Anytime... Lightweight and hard to remove, so you can use it even while working 24 hours... No power required, so it doesn't get too hot, and can be used while sleeping You've bought various health goods to combat neck stiffness, but: △ They require a power source, limiting where you can use them △ They are the type that you stick or place on your shoulders, restricting your posture when wearing them △ You can't use them while sleeping due to overheating or peeling off Neck Repair solves all these problems! Recommended use for 15 minutes or more before bed, during breaks, or while traveling Washable repeatedly! The effect lasts even after 120 washes Adopts a new material born from several types of natural mineral stones Employs the latest technology material, recognized for promoting blood flow just by touching the human body. Promotes blood flow throughout the body through far-infrared and radiation effects. Product Name: gruria Neck Repair Size: Width 125 x Length 840mm Material: Outer fabric: 95% cotton, 5% polyurethane Lining: 84% cotton, 16% polyester (natural mineral stones, made in Japan) Filling: 100% polyester