The leakproof design means no spills in your bag, and it's dishwasher safe for easy cleaning. Plus, it's 33% lighter than standard steel drinkware, making it the ultimate commuter companion. Stay refreshed wherever you go! AeroLight feather weight insulation Double-wall vacuum insulation 18/8 stainless steel; naturally BPA-free Leakproof Locking, drink-through lid 4 hours hot / 6 hours cold / 20 hours iced Car cup holder compatible Dishwasher safe Weight: 180g Dimensions: H163 x W69 x L69mm