Specifications:Product Name: Sciatica Pain Relief PatchesMaterial: Non-wovenIngredient: Natural herbal extractPatch Size: 10x7cmColor: as the pictureQty: 12pcsShelf life: 3 yearsStorage method: store in a cool and dry placeFeatures:Relieve discomfort symptoms caused by sciatica, such as back thigh, posterolateral calf and foot pain,lumbar flexion, knee flexion, partial muscle paralysis, mild sensory impairment, etc.Relieve secondary sciatica caused by lumbar disc herniation, lumbar osteoarthropathy, lumbosacralcongenital deformity, sacroiliitis, etc.Instructions:1. Clean and dry the skin of the painful area before use.2. Affix the patch to cover the painful area and press gently to make it fit the skin completely.3. Change it once a day.Package Included:12pcs x Sciatica Pain Relief Patches