Color: Black + Red - Material: EVA + plush - Quantity: 1 - Size: 36 (cuttable as need) - Fast warming good heat preservation long life easy to install - Prevent feet frostbite cold and numb - Stimulate the acupuncture points of the foot to increase its metabolism and immunity - Promote the blood circulation remove the body from wind cold wet and poison - Enhance the cell of blood relieve pressure and improve sleep quality - Quicken metabolism and activate the cell to beautify your skin and lose weight - Great gift for your friends and families especially in this cold winter - Packing list: - 1 x Pair of insoles - 1 x USB cable (150cm)