Waterproof and Sunproof: Made of high-quality 210D Oxford cloth, it is waterproof and dustproof, sunproof and durable. It protects medium-sized outdoor containers from UV rays and provides good protection and durability. [Algae-free] The protective cover is made of high-density waterproof Oxford cloth for long life. Durability and corrosion protection. With the help of the waterproof tarpaulin, the formation of algae in the storage tank is greatly prevented. [User-friendly design]: The top (lid) and sides (valve) are designed for easy cleaning. Normal use without removing the case. The design is simple and easy to install. 【Suitable for】: This green UV cover for 1000L IBC measures 116 x 100 x 120 cm and is easy to fill and empty. With storage bag for repeated use, easy to carry and foldable to save space.