• 100% Nylon
• Machine Wash
• Machine washable (NOMAKK)
• KEEP YOUR BODY AND HANDS WARM: Qualified carbon fiber heating elements with 3 heating levels(approximately 149°F, 131°F & 113°F) to generate consistent heat for 4 core body parts, including your neck, back, abdomen, and waist, helping to maintain body warmth, promote blood circulation, and relieve pain as well as tension in muscles.
• NEAT and TAILORED DESIGN: Lightweight insulated for you to wear in many ways with unrestricted movement; Water and wind-resistant. Sharp fit design will be perfect for wearing underneath your winter jacket.
• LONG-LASTING USAGE: A 10000mAh power bank offers up to 8 to 10 hours of warmth on average(lasting period can be vary depending on different types of power bank); Power bank is NOT included in our product(The power of the mobile power supply required by the product is 5V2A).
• OVERHEAT PROTECTION: Implanted sensor will be triggered to terminate heating immediately if, for any reasons, the heating areas internal temperature exceeds 150°F. Guarantee your safety in any occasions trakar.

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty