BIKASE RACK BIG POPPA BLACKBikase`s largest rack bag for maximum cargo carrying ability Large, RF seam sealed, waterproof main compartment, with drop down side panniers for additional capacity Expandable main section with bungee net top to accomodate large or bulky items Available with standard hook and loop fasters or MIK compatible mount Integrated water bottle holder and reflective accents Includes a shoulder strap for use off the bike