Rainproof and Sunproof: IBC jar lids are made of high quality 210D Oxford fabric, waterproof, dustproof, sunproof and durable. If an IBC tank is left outdoors unprotected, UV rays can damage the IBC tank and its contents. It protects medium-sized outdoor containers from UV rays and provides good protection and durability. Humanized design The top (lid) and sides (valve) are designed for normal use without removing the tarpaulin, simple design and easy installation. No algae formation The protective cover is made of high-density waterproof Oxford fabric, durable and corrosion resistant. Thanks to a waterproof tank cover, the formation of algae in the tank is largely prevented. Scope of application The protective cover is suitable for 1000 liter IBC tanks measuring 116 x 100 x 120 cm, easy to fill and empty. Easy to carry, equipped with a storage bag, reusable, folded to save space when not in use. Note: The data are all manually measured, please allow error 1-3 cm due to differences in light and display, there may be color differences, please refer to the actual item received.