A little Christmas surprise: In every product we send out in the run-up to Christmas, you will find a beautiful Christmas card. We wish you a unique and merry Christmas!Knee Pain Relief - Specially designed to conform to the knee for effective pain relief, Sumifun knee patches are the ultimate solution for knee pain. The pain patches are designed to fit your knee perfectly, providing targeted pain relief. But, that's not all! The knee patches for pain can also be used on your back, neck, shoulders, elbows, hips, and anywhere else pain relief is needed.Safe and Natural - The knee pain relief patches are safe and natural, with wormwood herbal ingredients that have been proven effective and have no side effects. You'll smell the natural herbal scent when opening the package, and you can rest assured that the ingredients will not harm your skin in any way.Fast-acting and long-lasting - The knee pain relief patch provides fast, continuous, and deep-penetrating pain relief that lasts up to 8 hours. So, you won't have to worry about applying the knee patch every few hours. The knee patches are great for muscle relaxation and joint pain, making them ideal for athletes, manual workers, and anyone else who experiences regular pain.Stay in Place - Our pain relief patches are incredibly easy to use. They won't fall off even during sleep, and a single package application is good for daily use. You won't have to worry about applying the pain patch multiple times a day, and you'll be able to enjoy pain-free days and nights.o irritating odor: This heat patches for pain relief has no pungent or unpleasant odor, only a faint herbal scent, which is easily accepted. We provide after-sales service, and if there are any problems with our knee patch, you can communicate with us at any time.