Vacuum Insulated Stainless Steel: The Ascent Water Bottle is double walled and vacuum insulated, which keeps your favorite beverage at its ideal temperature for hours. Ascent Straw Lid: Our narrow BPA-Free Ascent Straw Lid is leak proof when the nozzle is in the closed position and is dishwasher safe on the top rack. Ascent Straw Lid Usage: Because the straw lid is leak-proof when closed, we do not recommend using it for hot or carbonated beverages due to pressure that may build up within your bottle, which could cause spills. Fits most cupholders: The 17-24oz Ascent is cupholder friendly. The narrow mouth and sleek shape is designed to be the perfect addition to keep you hydrated at the gym, school, at home or on the go!
