Available in 4 ruler colors There are 4 colors for you to choose from - you can choose the one you like according to your preferences. Borosilicate glass is safer to use. Leak-proof cover The rubber ring built into the lid locks securely without leakage, helping to ensure that your bottle remains leak-free at all times. Dishwasher safe All parts are BPA-free, dishwasher safe, and cleaning is a breeze! use Daily drinking water bottle, gym water bottle, travel glass water bottle, exercise water bottle, simple modern water bottle, portable water bottle, sports water bottle, dishwasher safe water bottle and yoga glass water bottle