1. If the IBC storage tank is placed outdoors unprotected, ultraviolet rays will damage the IBC storage tank and its 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 notch, the so-called lid flap, even the covered IBC water tank can be fully used without removing the film. 3. Special features: The IBC adapter is made of very durable 210D Oxford fabric. The protective cover is also durable and rainproof. Even the top cover of the IBC tank can be well protected with our new cover, 100% protection for your water tank. 4. No algae formation: With the help of the IBC storage tank protective cover, the formation of algae in the storage tank is largely prevented. 5. Our lid is suitable for 1000 liter tanks (approximately 116 x 100 x 120 cm / 45.67 x 39.37 x 47.24 inches)