PolyPRO (tm) 1 Class C Covers. Fits 20' - 23' L, 118" max H PolyPRO (tm) 1 Fabric repels water and won't scratch paint. Mildew resistant. Protects against dirt and scratches and is perfect for storage and moderate weather protection. Elasticized bottom corners. Provide a more custom fit. PolyPRO (tm) 1 covers include. Storage bag and tie-down rope. Warranty 2 year hassle-free warranty.