Plastic 5 Gallon Gas Can Cap Inner Diameter 43mm Height 23mm Portable Gas Tank Lid Red Outer Diameter 54mm Size: This gas canister cover has an inner diameter of 43mm outer diameter of 54mm height of 23mm. Measure the size of your gas canister spout before you choose it Material: Made of high-quality plastic material, durable and not easy to wear. It is designed to withstand the rigours of fuel storage and transport, sealing your gas tank for long periods of time Easy Installation: The gas tank cover has a coarse thread design that makes it easy to install or take off. Simply screw it onto your gas tank, effectively ensuring a tight seal Fit: Suitable for most 5 gallon petrol tanks, but also fits 1 gallon, 2.5 gallon and 10 gallon plus petrol tanks, it is ideal for plastic and metal gas tanks too Lightweight and Portable: This gas canister lid is lightweight and portable, and seals your gas canister during transport, making it a great accessory for camping trips, road trips where you need to transport petrol_x000D_ Specifications: Type: 5 Gallon Gas Can Cap Color: Red Material: Plastic Size: Inner Diameter 43mm Outer Diameter 54mm Height 23mm Fit: for most 5 gallon petrol tanks Package Include: 2/4/6/8Pcs x 5 Gallon Gas Can Cap Warm Note: Pay attention to measure the size of your gas canister spout before you choose it. The product may have an error of 1-2mm, and the color may look a little different from the picture, please understand. _x000D_ _x000D_ _x000D_ _x000D_