1. If the IBC storage container is placed outside without protection, the UV rays will damage the IBC storage and the contents. Our black UV cover is used for the 1000 liter IBC rainwater tank, which can protect your water tank from harmful UV rays. . 2. Unlimited Use: With the help of the recess, the so-called cover flap can also be used completely on the covered IBC water tank without removing the foil. . 3. Particularities: The IBC adapter is made of 210D fabric. The protective cover is also durable and rainproof. Even the top lid of the IBC tank can be well protected by our new lid, 100% protection of your water tank. 4. No algae formation: With the help of the protective cover of the IBC storage tank, the formation of algae in the storage container is largely avoided. . 5. Our lid is suitable for 1000L tank (approx. 116 x 100 x 120 cm / 45.67 x 39.37 x 47.24 inch).