Seat post mounts bag with a tough aluminum frame that holds ups to 6.6lbsPerfect for the larger loads of bike packing, but equally useful in bike lanes or on the trailWaterproof design and rolltop closure keeps valuable contents dry even in a downpourHook and loop access point allows for hidden repairs of accidental liner puncturesPolypropylene side stiffeners and foam on top and bottom give the bag structureSmall front mesh pocket is perfect for quick access items like keys or IDOuter bungees with wings are great to carry extra gear or wet layersQuick-release system makes it easy to attach/remove the bagQR Mount17.3x7.1x6.3`732 c.i.BlackXXX-Large (700+ c.i.)UPC/EAN/GTIN: 058817725623