I bought this bag a couple years ago while taking oceanography and other college classes over the summer because some of them took place on the water. This bag held my Surface tablet, books, pens, pencils, flashdrive, jacket, and water bottle and kept everything dry--even when I got caught in storms! I'm done with classes, but have a paddleboard that I occasionally take out. I've never submerged it, but when I do take it on the board with me, I put my phone, snacks, water bottle, and more inside and it does a great job keeping everything dry. Currently looking for another one to give as a gift!
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