ThermalockTM vacuum insulation to keeps drinks colder longer</br>Button lock and leakproof lid for added peace of mind</br>Wide mouth ideal for chugging and adding ice cubes</br>Fits most car cup holders</br>Top rack dishwasher safe lid?? hand wash body; BPA-free</br></br>Product Description</br></br>The Contigo Glacier Water Bottle is prepared to help you handle the heat. Whether it's in a hot car?? a busy kitchen or simply on the nightstand during a hot summer night (think college and no AC). With Contigo's ThermalockTM vacuum insulation?? Glacier will keep your drinks cold for up to 18 hours. Go ahead and test it out?? we know you won't be disappointed. Glacier also features a leak proof lid (when closed) for on-the-go activities?? button lock for added peace of mind and a wide mouth ideal for chugging & ice cubes.</br>