With a built-in straw and a convenient rotating handle, the IceFlow Straw Tumbler is the perfect weight room or commute companion. It keeps water cold for 12 hours (or two days, if you add ice) and is leakproof, once you flip the straw down. Even better, it fits in most cup holders—plus, it comes in tons of pastel (and even some two-tone) colors.

But no one could have predicted Stanley cups going viral and becoming the IT accessory this year. But is it all hype? How special can a water bottle really be, especially one that retails for £40 to £95+.