Bunheads Therma Wrap Reusable Hot & Cold Compress Bunheads Therma Wrap is a reusable hot and cold compress that can be used on the arm, wrist or foot. Instructions for cold compress: Chill gel pack for 2 hours in refrigerator or freezer before using. Instructions for hot compress: Heat in microwave for 10 seconds on each side before using. Product Features: Content: 100% Nylon 65% Polyester, 35% Cotton 100% Gel One size Reusable hot and cold compress 1 per package Instructions in the description