High-carbon-content masts are valuable items that demand protection. Unifiber’s high-quality mastbags have an excellent finish and plenty of padding for transporting, storing and travelling with precious masts. Featuring white, tear, moisture and heat-resistant tarpaulin fabric on one side and Water Repellant Polyester (WRP) on the other. Features: Transparent PVC window allowing to read mast specifications Water Repelling Polyester smooth surface is easy to keep clean from dust and dirt Dotted PVC finishing adding durability Easy to open even if mast is inserted deep into the bag due extended velcro close / opening function