Designed for indoor and intermittent outdoor use for your car. Duck Covers Double Defender semi-custom covers are made of triple-layer material that is non-abrasive and fully breathable. Ultrasonically welded seams improve water resistance and UV treated material protects against prolonged exposure to heat. Elasticized bottom hem for a secure, custom fit vehicle cover. Non-scratch tie-down grommets and rope. 3 Year limited warranty.