20pcs Natural Bamboo Charcoal Foot Patch,Strong Adhesive Patch,Comtable Herbal Detox Pads Stress Relief&Feet Care,Help Improve Sleep Quality 1.【Easy To Use】Insert Deep Cleansing Foot Pads Before Bed. Leave The Pad On For 6-8 Hours To Joint , Then The Pad In The Morning. Best To Do It Every Night. 2.【Improve Sleep Quality】: These Foot Pads Can Improve Sleep Quality, Ward Off Cold And Keep Warm, Joint And Muscle Tension, And Promote Blood Circulation. They Can Stay Warm In Cold Weather. They Are No Longer Afraid Of The Cold