1. Safety and Health: Made of the toughest and safest BPA-free Tritan copolyester plastic, it is safe for your body. The lid is made of environmentally friendly food-grade PP material. With a capacity of 650 ml, it is suitable for short trips. 2. Spray Bottle: The bottle has a built - in sprayer. Squeeze the spray to cool your body after a long - time workout. Different from other sports spray bottles, this one can be locked to prevent accidental touches. 3. Leak - proof: The bottle has a screw cap that can be firmly sealed, so it won't leak. 4. Easy to Carry: It has a great ergonomic feel, is easy to hold with one hand, and can be carried with one finger. It is suitable for school, gym, yoga, runners, athletes, travel, hiking, cycling, tennis, camping, or the office. It fits well in car cup holders, bicycle drink holders, backpack side pockets, and children's schoolbags.