Product Name: KIRIBAI Blood-Flow Improving Waist Hotton 5pcs Brand: KIRIBAI Origin: Made in Japan Product Description: KIRIBAI Blood-Flow Improving Waist Hotton is a self-heating waist pack that helps to improve blood circulation and relieve muscle pain. The pack contains natural ingredients such as iron powder, activated carbon, and vermiculite, which generate heat when exposed to air. The heat generated by the pack can help to stimulate blood flow and relieve muscle tension. Product Characteristics: - Self-heating - Contains natural ingredients - Easy to use - Portable and convenient Usage Methods: 1. Open the package and remove the waist pack. 2. Peel off the adhesive backing and apply the pack to the desired area of the waist. 3. The pack will start to generate heat within 10 to 20 minutes and can be worn for up to 8 hours. 4. Discard the used pack after use. Precautions: - Do not use the waist pack on broken or irritated skin. - Do not use the waist pack while sleeping. - If you experience any discomfort or skin irritation, discontinue use immediately. - Keep out of reach of children. - Store in a cool, dry place.