Dr. Luke Knee Pain Relief Patches are designed to provide up to 12 hours of pain relief. Fast-acting, long-lasting, and self-heating herbal formula delivers deep penetrating relief for the pain of arthritis, bruises, sore joints, feet, shoulders, neckaches, backaches, sore muscles, and so on. These neat, individually wrapped large patches are made of flexible fabrics for performance and comfort.Easy to Use-- The knee pain relief patch is easy to use, simply clean the affected skin, remove the protective film, and stick the patch on the painful area. Wide Application-- Not merely knee patches, these pain relief patches are also widely used in other pain relief situations, such as joint pain, shoulder pain, back pain, neck pain, waist pain, strain and sprain, sports injury, and so on. Deep-penetrating-- The knee pain relief patch is a self-heating design that delivers deep-penetrating temporary pain relief for sore joints and muscles. Extra Strength Pain Relief-- Our knee pain relief products are designed to provide extra strength relief for knee pain, especially for those with knee arthritis. This pain relief patch is designed to provide fast-acting, long-lasting, and deep-penetrating temporary pain relief for sore muscles, joints, and arthritis. Safe and Effective-- Our knee patches are made with herbal ingredients and backed by science, no harm to the human body, it works gently and safely.Best Sellers Rank: See Top 100 in Health & Household. : B0BVDTQNYV. Manufacturer: DR. Luke. Date First Available: February 9, 2023. Package Dimensions: 7.32 x 5.2 x 0.94 inches; 3.53 Ounces.