Name:Imitate Rabbit Fur Thermal Insoles Material:Imitate Rabbit Fur+Felt Color:Khaki /Gray Insole Length: EU35-36 23cm; EU37-38 24cm; EU39-40 25cm; EU41-42 26cm; EU43-44 27cm; EU45 27.5cm Package includes:4pcs=2 Pairs warm insoles Feature:Breathable, High Quality Imitate Rabbit, Thermal, Keep Warm, Heated, Makes Dry And Comfortable, Sweat-Absorbant. Use:Every Day Should Take Out From Your Shoes,Keep it Dry And Clean, It's Better Two Pair Alternate Use.