This plastic fuel filler cap is a must-have for RV and boat owners, offering a dependable solution for sealing fuel tanks. Its durable material ensures durability and resistance to environmental factors, making it ideal for marine use. The cap's design allows for a secure fit, preventing fuel leakage and contamination. Use it to keep your fuel system in top condition and enjoy worry-free refueling on your adventures. Features -Color:Multi -Material:Nylon -Size:8.00X8.00X7.00cm/3.14X3.14X2.75in -Sturdy material: made from robust plastic, this water filler cap offers excellent durability and reliability, even in harsh conditions. -Multifunctional: designed to fit a wide range of vehicles and boats, including rvs and yachts, providing a versatile solution. -Effortless installation: easy to install without the need for professional tools or expertise, saving you time and effort. -Leakproof: ensures a secure seal to prevent any fuel leakage, protecting your vehicle or boat from potential hazards. -Broad application: suitable for various types of vehicles and boats, this filler cap meets diverse needs, making it a reliable choice Package list: 5 pcs x 1pcs fuel tank cap