【210D Material with Excellent Thickness】 - Our IBC container cover is made of 210D thick polyester. In addition, the ultra-thick material is also very resistant to rain and snow. Even in sunny weather, the 1000L tank cover provides excellent UV protection, reduces the growth of natural organic matter in sunlight and largely prevents algae growth in storage tanks. 【Sustainable & 【Double-Layer Stitched Construction】 - Our IBC tank covers are extremely durable and rot-proof, and the double-stitched edge construction is more durable and tear-resistant on the top of the tank cover, and the edge is more stable Velcro design. There is a zipper in the middle, which can be opened at any time and easy to put on. 【Perfectly Fits 1000L IBC Tank】-- Applicable 1000L water tank, the size is: length 120 x width 110 x height 116cm. The bottom has a drawstring that can be easily tightened to fit the 275 gallon IBC tank when in use, and it can also protect the tank well. (If the size is too small, your