Durable all-weather protection and storage for your car. Rally X Automobile Cover semi-custom covers are made with a 4-layer and 100% waterproof 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.