Description: With help of the self-heating wormwood waist belt, it can be used to keep your belly warm in cold weather, and relieve muscle tension, physical local pain effectively. Ideal for women and elderly. No batteries or electricity required, safe to use. By the advantages of lightweight, super soft, breathable and friendly to skin, our self-heating wormwood waist belt is comfortable to wear. And more, it will not hinder your movement after wearing. It is constructed of polyester material. There are 3 different sizes for you to choose from. This product is perfectly suitable for kids, women, girl, student, etc. Item Name: Waist Belt Material: Polyester Features: Super Soft, Breathable, Easy-wearing, Comfortable Size Details: M, Length: 95cm/37.4", Waist: 73.33cm-86.66cm/28.87"-34.12", Suggested Weight: 45-70kg (Approx.) L, Length: 100cm/39.37", Waist: 86.66cm-96.66cm/34.12"-38.06", Suggested Weight: 70-85kg (Approx.) XL, Length: 105cm/41.34", Waist: 96.66cm-113.33cm/38.06"-44.62", Suggested Weight: 85-105kg (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Waist Belt