describe: [100% Natural Ingredients] The knee joint plaster formulated with natural Chinese herbal medicine has a self-heating design, has no side effects, is safe and non-irritating, has less allergies and is non-addictive. Quick HeatingOur mugwort knee pads heat up quickly, providing effective relief for up to 8-12 hours. Can be used for muscle, back, joint, shoulder, neck, foot, wrist, elbow, knee pain. Easy to UseSimply clean the affected skin with warm water, remove the protective film and apply the knee brace to the desired location for instant pain relief and ultimate relaxation. Flexible UseOur knee joint plaster comes in 24 pieces/box. Knee patches measure 4" x 5" and can be cut to any size you want. The knee brace contains skin-friendly adhesive that conforms well to your body. Wide Scope of ApplicabilityWhether you are an office worker, worker, driver, athlete, dancer, athlete, elderly person or housewife, etc., you can use this mugwort knee pad to relieve various diseases. Packaging contents: 1 patch (24 pieces)