Goldline RV covers by Eevelle USA are designed to satisfy even the most discriminating customers by outperforming every other cover in all critical categories of RV protection. Precision design and expert tailoring with the finest materials make this a high end RV cover that is as durable as it is beautiful. Our Marinex marine grade fabric is a heavy duty 7 oz. true loom-woven Polyester constructed of 600 x 300 denier filament polyester yarns and 99 thread count. It is coated with Durapel Sunlight inhibitor and agency finish to make it Sunlight and moisture buildup resistant. The result is an incredibly strong yet breathable product that will provide protection for your RV for many years to come.