3-1/8 x 4-5/8 Inch each. 2 Patches in one pouch. Works on contact for cooling pain relief. Pain relieving ointment on a breathable adhesive pad. Contains natural menthol (5%). Contains Vitamin E & aloe. MentholHeat is soft flexible pain relieving pad. It provides fast, long lasting soothing pain relief that lasts for hours right where it hurts. Menthol Heat relieving pad is thin enough to wear unnoticed under clothes day or night. It adheres firmly on muscles or joints yet removes easily. It is not messy or greasy and will not stain your clothing. Only you will know that you are wearing Pain Patch. Made in Korea.