ADCO 32854 Designer Series Tan/White Tyvek 5th Wheel RV Cover ADCO All Climate Designer Series - Now up to 40 percent more Tyvek RV; 5th Wheel Contour Fits 3 Layer RV Cover; Fits 28'1" to 31' Tan/White The most durable ALL CLIMATE 5th Wheel cover on the market DuPont Tyvek top panel, now with up to 40 percent more Tyvek fabric, provides maximum protection against the sun's damaging U.V. rays Extends below most awnings 3-Layer High performance multi-color polypropylene sides insure maximum breathability