MSRP $99.99 OSi's Extra Big Tail Pack goes from BIG to BIGGER to EVEN BIGGER with d-rings and bungee cords to add "it" no matter what "it" ends up being.DUAL MOUNT OPTIONS Option 1 includes built-in bungee loops and 4 included metal hooks. Option 2 allows you to use your own bungees or the INCLUDED adjustable webbing straps. Velcro belts allow you to further stabilize the bag to rack or other fixed mounting location.QUALITY ENGINEERING with Taped Seams for longer life, a clean interior and a watertight interiorSTORAGE GALORE Besides the main compartment – (1) Rider-facing exterior zipper pouch with easy access mesh pocket; (2) zippered side pockets; (1) zippered envelope pocket on rear of bag to store maps and flat or smaller objectsREFLECTIVE PANELS & PIPING on each sideRAIN COVER INCLUDED in own storage pocketPLUS… Mesh map/sunglass pocket on the interior of the lid, Adjustable shoulder strap; large molded zipper pulls for use with gloves; heavy plastic hardwareLIMITED LIFETIME WARRANTYCOLOR(S) Black/GrayDIMENSIONS: Main Compartment - 16.1 liters / 11” x 10” x 9”Main Compartment Expanded - 20.5 liters / 14” x 10” x 9”Side Pockets - 7 liters / 11” x 8” x 2” (2) & 7" x 6.5" x 2" (1)