Stanley durability meets featherweight technology for a bottle that’s 33% lighter than our standard stainless steel drinkware. There’s also a low-profile lid that locks tight for leakproof carrying. Ideal for commuting and on-the-go, the vacuum-insulated AeroLight™ Transit Bottle is the perfect companion. Pack lighter, go farther, hydrate longer. Features 18/8 stainless steel, BPA-free AeroLight™ spun-steel, double-wall vacuum insulation Leakproof Locking, drink-through lid Car cup holder compatible (Base diameter : 2.8 inches) Dishwasher safe