SunnyBay Adhesive Pain Relief Patches for Neck, Knee, and Upper or Lower Back Pain, Air-Activated Heat Pads for Menstrual Cramps, Stiffness, Sprains, and More, Stick to Clothing, 30 Count, Pack of 1 -
SunnyBay Heat Patches for Menstrual Cramp Relief, Air-Activated Adhesive Period Pain Relief Pads, 130F Warmth up to 8 Hours, Stick to Clothing Not Skin, 2.75 x3.5 inches, 10-Count - Walmart.com
Amazon.com: ThermaCare Portable Heating Pad, Lower Back and Hip Pain Relief Patches, L/XL Heat Wraps, 5 Count : Health & Household