Plastic water bottles are so last year darling!... And who needs 'em when you can fill one of these lovely S'well bottles with good old tap water (or if you want your water purified and mineralised, add some white charcoal). S'well bottles will keep your drink cool for 24 hours and hot for 12 hours. They are made from BPA-free double-walled stainless steel and are available in some unique and highly covetable designs. But most importantly, they are really good for the world.