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. No Algae: The protective cover is made of high-density waterproof Oxford fabric for long life life and corrosion protection. The formation of algae in the storage tank is largely prevented with the help of the waterproof cover. User-friendly design: the top (cover) and the sides (valve) are designed for ease of use normal without having to remove the cover. The design is simple and easy to install. Suitable for: This green UV cover for 1000 liter IBC cover measures 116 x 100 x 120 cm and is easy to fill and empty. Easy to carry with a storage bag for repeated use and can be folded to save space.