Kept water bottles combine luxury with sustainability. These beautifully crafted bottles give a refined drinking experience - proving that sustainable bottles can not only be functional, but elegant too. Featuring heat stabilising double wall technology, are BPA free, leak proof, topped with a naturally anti bacterial acacia twist-top lid, silicone carry loop and finished with a high quality powder coating. So stylish, you'll want your Kept bottle with youalways - at home, at work, at the gym and onthe go. Built to last, and kept for life abnd available in slate sandstone or chalk. Each purchase supports Surfers against Sewage, whose wonderful work in the field of cleaning up beaches is there for all to see. The detail... Double Wall / Vacuum InsulatedCold - 12 hours. Hot - 6 hours. Condensation FreeHigh Grade 304 Stainless Steel ShellPreserves flavour and freshnessBPA free and leak proofVolume 600ml / Weight 360g / Size (h) 275mm (w) 80mm