Dual Keder Compatibility Mount on either the 9ft or the 7ft side using standard 3/8" keder rails for more flexibility and easier setup. Seam-Sealed & Weather-Ready Our most weather-ready canopy yet. MoonShade RV is seam-sealed at the Keder rail connection, so rain doesn’t sneak through the mount line. Big Coverage, Small Footprint 9ft x 7ft of shade coverage that folds down to just 28in× 6in with extra room in the carry bag for more Moon gear.