Reliable materials and construction The winter protection cover uses a 600D Oxford cloth exterior, with an aluminum foil lining and a pearl cotton interlayer. This combination provides waterproof, windproof, and coldproof performance while delivering durability and reusability. Packaging specifications and compatibility Two sizes are available, with total lengths of 72 inches or 5 inches. The cover is designed to fit most beehives, with an adjustable wraparound range of 3.9 inches. Measure your hive before for the fit. Function and protection Specifically designed to keep beehives warm during the cold winter months, providing essential protection to help bees withstand severe winter weather. Practical and ecofriendly These reusable bee wrap heat shields are environmentally friendly. Reusable packaging materials help reduce costs and waste while delivering insulation and ventilation for a strong bee colony. Use scenarios Winter protection in cold climates: wrap the hive to maintain warmth and protect bees during freezing periods. Storage or transport between seasons: use to shield beehives from moisture, drafts, and chill. Versatile sizing: the two available lengths and 3.9inch wrap adjustment accommodate a range of hive sizes, provided you measure the hive beforehand.