very practical and useful has a lot of pocket and compartments the [SEP] the main compartment is smaller than i thought definitely my fault for not paying attention to the measurements but it successfully gets the job done very practical and useful has a lot of pocket and compartments the hook by which to hang it is very helpful although that is also smaller than i thought it seems to be lined in some liquid resistant material for accidental spills insidecon the exterior zipper is a problem the zipper does not zip smoothly and often times is hard to zip up half the time it gets caught on the materials on the inside there is one section that opens up constantly after i have zipped it the bags achilles heal is definitely this zipper the bag seems well made except for the zipper