Salonpas Pain Relieving Menthol and Methyl Salicylate Patch, 20 Count, for Back, Neck, Shoulder, Knee Pain and Muscle Soreness, 12 Hour Pain Relief - 4 Pack

Pack of: 4 Easily apply patch under clothing for up to 12 hours of relief from muscle soreness, sprains, back pain or backache, joint pain and neck pain Convenient patches can be used for up to 12 hours of powerful pain relief