“Serves its intended use, great for on the go being able to pack away small when not needed especially in airports when you need to empty your water. Only thing I don't like is thr smell of sweaty water when you haven't used it for a while. I'm sure if I left it all taken apart a few days at a time it would be fine but I forget and can taste and smell that dirty dish cloth odour every use. Despite this I love the versatility over the lifestraw go series which I normally use and love”