Sunbrella fabric is water repellent, mildew and UV resistant. Plus, Sunbrella fabric is woven, which makes it breathable, so it doesn’t trap heat and moisture like vinyl. Nor will it tear or shrink. This is not a generic mass produced cover. This is a custom boat cover, measured and designed specifically for the Achilles LSI 290 Model with out a console and bow rails. Cover does not fit over motor – there is an engine cut out. Our covers feature an elastic shock cord to ensure a taught fit. When installing the cover, make sure the inside tag is at the stern. Colors are Cadet Gray and Natural “White”.10 CUSTOM COLORS Available. WE DO NOT ACCEPT RETURNS ON CUSTOM COLORS: Pacific Blue, Jet Black, Royal Blue, Aquamarine, Charcoal Tweed, Captain Navy, Burgundy, Linen, Forest Green and Logo Red. Since our custom colors must be constructed to your specific order, please allow at least 2 weeks for their delivery.