Feature: 1. Knee Joint Plaster - There are many people have suffered knee joint problems. Their knees will be uncomfortable when it rains or terrible weather. Therefore, it is quite important to protect knee. 2. Main Function - Quickly relieve various discomfort associated with muscle strain, neck discomfort, rheumatic arthritis, hyperostosis, knee joint ache, tenosynovitis, strain & sprain, sciatica, fibromyalgia. 3. Natural Ingredients - Our product adopted natural grassy leaves, scorpion, white mustard ingredient etc. It is safe and has no any bad effect to your bodies. 4. Ergonomic Design - Unique ergonomic design makes the product more suitable for uncomfortable parts, and it can be sticked on your knee joint firmly, which is more comfortable. 5. 12 Hours Continuous Warming - Slightly cool when it is applied to the knee, and it starts to heat up in 20 minutes. 12 hours continuous warming will make the natural extract produce larger effect. Specification: Size: about 4*5inchWeight: about 50gShelf life: 3 yearsFever time: 12 hours Package List: 12 Pcs Knee Stickers Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.