1.Material: Made of 420D Oxford fabric material, it has the function waterproof in rain and dustproof and antiUV on a sunny day. No matter what the weather, it can prevent strong wind, rain, storms, intense sunshine, dust, snow, etc., keep clean. 2.Zipper. With the help of the protective cover of the IBC storage tank, algae formation in the storage tank is largely prevented. In the sun, it helps to heat water. 3.Easy to store. The cover folds easily into a bag that you can easily take anywhere. Size: 47.2 inches x 39.4 inches x 45.7 inches (120 x 100 x 116 cm), fits 1000 litre IBC rainwater tank. When the IBC storage is placed outdoors without protection, ultraviolet rays damage IBC memory and its contents. This can protect your water tank from harmful UV rays. 4.4 buckles: the front of the Velcro fastener is easy to observe, and the base has four buckles, which can keep the water in the tank clear and extend the life of IBC tanks. With the help of the notch, the socalled lid flap, even the covered IBC water container can be used completely without removing the film.