Poly-Flex II Universal Leaning Post Cover - 47"H x 41"W x 24"D - Grey. The CARVER Poly-Flex II is an economically-priced, durable leaning post cover engineered for marine use. Constructed of 5.3 oz. solution-dyed marine polyester with a urethane coating, the cover resists tearing and features a durable water repellency, UV and mildew resistant finish while remaining breathable to allow interior moisture to escape. Includes a 1/4" strong shock cord encased in the hem and a heavy-duty attached adjustable strap system for a customized fit. Designed and sewn in the USA. Ideal for storage and mooring (not recommended for trailering). Made to fit universal leaning posts; available in Sunbrella, Performance Poly-Guard and Sun-DURA marine-grade fabrics. (3 Year Limited Warranty).