Stanley engineered the Aerolight Transit Bottle specifically for your commute. A low-profile bottle that's one-third lighter than standard stainless steel bottles without sacrificing functionality. Your beverage stays cold for up to 12 hours or hot for up to 8 hours. The drink-through lid locks tight for leakproof carrying in your bag or pack. 20 oz insulated bottle Double-wall vacuum insulation Keeps beverages cold for up to 12 hours, hot for up to 8 hours Locking, drink-through lid Leakproof Lightweight technology Car cup holder compatible BPA-free Dishwasher safe Powder coat finish 18/8 stainless steel Dimensions: 2.7 x 2.8 x 9.5 inches