Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Roof Top Cargo Carrier Bag Rooftop Car SUV Rack Luggage
Product description: Restrain your gear and protect your belongings with our caravan roof cargo bag. Made from heavy duty polyester, it delivers all the features you expect from an all season roof cargo bag. It attaches right to your factory or aftermarket roof rack or crossbars and tucks away for easy storage.
Product feature: Dimensions: 42 in. L x 34 in. W x 18 in. H, Material: Polyester / Color: Black, Cubic ft of space: 20 ft, Easily attaches to your factory or aftermarket roof rack (4 straps), Designed specifically for all vehicles / Water resistant
Product brand: Talentstar
Target attributes: Vehicle Type
Answer: attribute: vehicle type
value: None
source: None