LARQ’s self-cleaning bottle is fitted with a UV-C LED light to purify water and remove 99.99% of contaminants. Conveniently it only needs to be recharged once a month by USB, so it’s ideal for taking on your travels to ensure access to clean water. Made from BPA-free electropolished stainless steel, it’s also double-insulated, so it’ll keep your drinks cold for 24 hours or hot for 12.