Product Name: Neck & Shoulder Warmer Model NO.: W102 Logo Printing: With Logo Printing Group: Adult Quality Guarantee Period: Three Year Ethylene Oxide Sterilization: Without Ethylene Oxide Sterilization Certification: CE, ISO13485 Material: Non-woven Fabric Type: Heat Patch on Skin Trademark: OEM Transport Package: 1PCS in One Bag, Bags in Carton Specification: 9*29CM Origin: China Product Description FEATURE:1.Material: A. two sides non-woven fabrics; (Directly on Skin) B. one side non-woven fabrics, one side with adhesive.(Stick on Underwear)2.Size: 90mm * 290mm 3.Color: White4. Air-Activated5. average temperature:45 °C 6. peak temperature: 50 °C 7. heating time: 8 hours8.Weight:45g±2g/pcs MAIN INGREDIENTS:Iron powder, Salt, Activated Carbon, Water, Sodium Polyacrylate, Wood powder, Vermiculite INTRODUCTION:Open the outer package and expose the pack to air. Sticking warmer on your clothes underwear or body straightly. Waiting for 5 minutes, the temperature will be higher than 45 °C and last for 8hours. Dispose of used pouch with regular garbage, it's natural ingredients are environmentally safe. It can Relaxes Tight Muscles of your Shoulder , Neck, thigh and Wrist., Deep Penetrating Heat, Long Lasting Pain Relife.This Warmer has two types: 1. Directly on Skin 2. Stick on Underwear *Please tell us your Warmer Application, we will recommend the temperature for you.