Lone Peak's Large Hatchback seat pack features a fully accessible compartment, due to the unique positioning of its zipper. Simply unzip the zipper and open the "hatchback" style door and you have full access to your entire contents. Heavy-duty 1000 D water-resistant construction offers unparalleled toughness. Hook and loop seat post connections and EZ off 2 buckle quick-release suspension system easily attaches to seat rails. A molded polyethylene stiffener is placed internally within a sleeve on the top and the bottom for added ruggedness and pack integrity. 3M Scotchlite reflective stitching and a Lone Peak taillight hangar also gives you added visibility at night. Coverlight truck tarp is used on the top and bottom of pack for the ultimate in abrasion resistance and water resistance. Perfect for wallets, keys, tools, tire levers, patch kits and other small items. Lone Peak has been producing technical cycling gear in the USA since 1979 and our products are built to last a lifetime. All Lone Peak products carry a lifetime guarantee against manufacturing defects for the original owner.