Using tear-resistant 500D High-End poly-canvas material, the Rhino-Rack luggage bag is a great economical choice for transporting your gear while on the road. Not only is it waterproof, but also fiber-reinforced to withstand harsher weather conditions. Additionally, the zipper is water-resistant and is covered by a protective Velcro overlap to shield it from the elements. Product Features: Constructed using 500D High-End poly canvas tarpaulin - waterproof, tear resistant & fibre reinforced Water resistant zipper* Protective Velcro overlap to shield the zipper from the elements Welded seams provide superior waterproofing compared to traditional stitching Extra strong UV50+ securing straps with heavy duty Duraflex buckles to easily secure the luggage bag to a luggage tray or basket. Additional front buckles to reduce wind flapping Easy to fit, load and unload Storage bag to keep the luggage bag protected between trips Product Specifications: 200L: 55.2" x 19.7" x 11.81" 250L: 43.3" x 31.5" x 11.81" 350L: 47.3" x 37.8" x 11.81" 500L: 59" x 43.3" x 11.81" 600L: 70.87" x 43.3" x 11.81" Note: Zipper is water resistant and not waterproof, therefore the bag should not be submerged in water