Top 10 Best "Expandable Roof Top Bags" Products

This sporty backpack for the top of your vehicle holds 10 to 15 cu ft of extra cargo. The Platypus unzips to expand 4" taller to fit 15 cu ft. It is made of premium waterproof coated fabric with a rain fly to protect the zipper closure. The Platypus has 8 rugged buckle straps that attach to your vehicle's roof rack. Simply loop them around the rack's load bars and snap them in. Hook and loop strips are included to keep loose strap ends from flapping in the wind. Platypus features an aerodynamic contour, plus heavy duty cinch straps on top to improve the bag's fit and appearance, no matter what's inside. Limited 5-year warranty. (Roof Basket is not included)

This sporty backpack for the top of your vehicle holds 10 to 15 cu ft of extra cargo. The Platypus unzips to expand 4" taller to fit 15 cu ft. It is made of premium waterproof coated fabric with a rain fly to protect the zipper closure. The Platypus has 8 rugged buckle straps that attach to your vehicle's roof rack. Simply loop them around the rack's load bars and snap them in. Hook and loop strips are included to keep loose strap ends from flapping in the wind. Platypus features an aerodynamic contour, plus heavy duty cinch straps on top to improve the bag's fit and appearance, no matter what's inside. Limited 5-year warranty. (Roof Basket is not included)