Conforms to Your Body to Deliver Soothing Relief.Fast, Effective Relief. Includes Adjustable Strap Helps Relieve Sprained Ankles, Knee Injuries, Elbow Pain, Post Exercise Soreness, Arthritis & More Large Opening Sits Over Your Knee Cap to Preserve a Wide Range of Motion Gel Beads Send Relief Directly to the Pain Flexible Velcro Strap Keeps the Wrap Comfortably in place, Even During a Workout Chill it in the Fridge or Freezer for Analgesic Cold Pop it in the Microwave for Penetrating Heat Holds Therapeutic Temperature for a Full 20 Minutes Perfect During & After Exercise Revolutionary Pearl Technology Absorbs Heat & Cold Soft, Pliable Pack Stays Clean & Dry Against Your Skin Hypoallergenic, Non-Toxic & Reusable UPC: 850803002349 Weight: 1.13 lbs