I tested a good piece for 6 weeks and several trips to lakes and swimming pools. The cell phone pocket is a little too large and if the case would be 5cm higher one could take standing 1.5 L bottles so there are just 2 one-liter bottles. Otherwise, I have nothing to complain about at the bag. Good material and fine workmanship. The partial opening (with insulation!) Of the lid with Velcro - closure is very paktisch - no long fumble with the zipper. The recorded set bags are big enough for Paperback, sunscreen, sunglasses ... etc.