【HEAVY DUTY MATERIAL】:?This IBC tank lid is made of high quality plastic material, durable and long lasting. 【LEAK-PROOF DESIGN】: The water liquid tank cap has gasket which ensures excellent sealing and ventilation property, preventing liquid leaking during transportation. 【TANK CLEAN GUARD】: With the help of the tank lid, you don’t need to worry the inner content of the IBC tank contaminated. 【GREAT ACCESSORY】: It's a nice IBC tank part, great for liquid products' storage and transportation, very convenient to use. 【WILD APPLICATIONS】: Suitable for IBC tank diameter 163mm/6.42inch, great for liquid products' storage and transportation.Widely used for chemical, medicine, food and other industries. Specifications Material: Plastic Color: Red Type: Ventilated Cover For Ventilated Cover: Inner Diameter: approx. 16.3cm / 6.42inch Outer Diameter: approx. 18.7cm / 7.36inch Thickness: approx. 4.8cm / 1.89inch Diameter of Middle Cap: approx. 6cm / 2.36inch Weight: approx. 254g/0.56lb Package Included: 1 Pc Tote Tank Cover Lid 1 Pc Gasket 1 Pc vent hole.