【210D Superior Thickness Material】- Our IBC container cover is made of 210D thick polyester, besides, the ultra-thick material is also very resistant to rain and snow. Even in sunny weather, the 1000 liter tank cover provides excellent UV protection, reduces the growth of natural organic matter in sunlight and largely prevents the growth of algae in storage tanks. 【Durable & Stitched Construction 【Double Layer】-- Our IBC tank covers are extremely durable and rot resistant, and the double-stitched edge construction is more durable and tear resistant. There is a 11.4 inch/0.95 ft cover on the top of the tank cover, and the edge is a velcro design. There is a zipper in the middle, which can be opened at any time, easy to put on. 【Perfectly Fits 1000 L IBC Tank】-- Applicable 1000 L water tank, the size is: length 120 x width 110 x height 116 cm. The bottom is equipped with with a drawstring, which can be slightly tightened to fit the 275 gallon IBC tank when using, and can also protect