Self-heating Belt Protects The Waist With Steel Plate Magnet Belt Specification: Name: warm waist. Material: golden velvet fabric, bamboo charcoal fibre, latex silk. Weight: approx. 170g. Size: XL code: approx. 100 cm. Features: Choose warm golden velvet fabrics to achieve a high quality, warm waist protection. Exquisite workmanship, tight and firm line, not easy to fall off, more sensitive. Comfortable and soft material that not only absorbs sweat and wicks away moisture, but also comfortable and warm. Provide gentle support for fragile, injured and arthritic back. Keep the damaged area warm during recovery after an injury. Suitable for all kinds of sports protection, very suitable for outdoor activities in winter and cold autumn. Package included: 1pc Waist Warmer Belt