Perfect for all-weather protection and storage for your truck. Duck Covers Weather Defender semi-custom covers are made of a triple-layer, water-resistant material that does not trap condensation but allows condensation to escape through evaporation. Ultrasonically welded seams improve water resistance. Protects against dust, dirt, pollution, bird droppings, tree sap and UV fading. Elasticized bottom hem for a secure, custom fit vehicle cover. Non-scratch tie-down grommets and rope. Four-year limited warranty.