?WATER RESISTANT:Made from reliably durable 600DOxford with EVA coating,our rooftop carrier bag is waterproof,dustproof andsnowproof.It can keep your values dry when you're on an adventure. LARGE CAPACITY:With 10 Cubic Ft storage space,Aszune cargo carrier bag is a great way to gain additional space for your camping gear,luggage so that all of your passengers will be comfortable for the road trip. EASY TO USE&INSTALL :This is a zippered carrier which allows you to put in or take out your stuff freely.Installation can be handled through fastening it to the rack by one person. NON-SLIP: There are 4X 2'' width plus 4X 1'' width strong straps attached to thecargo bag , which can hold them in place on roof of your cars,SUVs or vans evenif it comes to bumpy roads. COMPACK STORAGE:The rooftop cargo bag is soft and can be stored in a small place whennot in use so it's there when you need it for your next road trip,tailgating ,hiking or camping.