Design: The large water bottle is designed only to encourage people to maintain 64 ounces water intake, record the amount of water you drink, and ensure your health and fitness goals. Material: PET material, BPA-free food-grade material, large capacity, double handle, sealed without leakage, easy to clean, large diameter cleaning, small diameter direct drinking. Daily use: fitness, travel, home, work are perfect to bring this mug. Wherever you go, bring it will remind you should always drink water, only for health. Purchase instructions and instructions for use: If you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.