A cooling circulation hydrogel patch ① Helps release the heat from your cramped body. ② Helps circulation through its soothing and cooling effects. ③ Can be used on the waist, legs, trapezoids, etc. anywhere the muscles are cramped. Direction for use: ① Remove the transparent film from the back of the patch and attach the patch over the desired area. ② Leave it on for 20~30 mins, remove the product and lightly massage the area.