100PCS Knee Patch With Plant Essence, Neck, Shoulder And Knee Patch, Acupuncture Patch, Heat Patch, Long-Lasting Warm Knee Patch, Gentle, Non-Irritating Daily Care Sole Pads, Chinese Medicine Relief Discomfort, Natural Herbal Essence Self-Heating Patches For Body, Back, Arm, Wrist, Relax Fatigue, Leg, Knee Joint, Mugwort Herbal Abdominal Patches