Reusable Thermal Insulated Patch with Cold or Heat Effect. the Cold Effect is Achieved by Placing It in the Refrigerator for 2-3 Hours, While the Heat Effect Requires a Microwave Oven. Reusable Thanks to the Gel Beads Inside, & with an Adjustable Rectangular Hand Strap to Fit in the Palm of the Hand. Presented Individually in a Recycled Paper Bag. Colours: White. Minimum Quantity: 50.