Keep nature outside with the Dometic Deluxe 78″ Slide Topper Polar White. Without a Dometic Slide Topper protecting your slide out, you’re bringing in all the weather, twigs, leaves, and other gifts of nature into your RV every time you close your slide out! Mounted permanently to the unit, high quality, durable vinyl fabric and a wide overhang keep harmful debris away from the top of your slide out. Slide Topper keep your slide out room cool, dry and well protected. A vinyl weathershield keeps the Deluxe Slide Topper protected. Waterproof and durable, the vinyl fabric and weathershield are available in Polar White.