Transparent body-This water bottle has a matte surface, which is very stylish and beautiful. You can clearly see how much water you have drunk from the bottle. Practical design-Lightweight, durable carrying ring, allowing you to easily carry the bottle. With a leak-proof flip cover design, there is no need to worry about water overflow. Time stamp-this sports water bottle has a time stamp on the bottle, which is very suitable for measuring your daily water consumption and reminding you to keep hydrated and drink water throughout the day. It is essential for any fitness goal, including weight loss, appetite control and overall health. BPA-free-This water bottle is made of safe and reusable copolyester material. This water bottle is 100% BPA-free and suitable for daily drinking. It is very suitable for hiking, biking, camping, running, yoga or any other sports, at home, gym and office. Ideal fitness gift-If your best friend likes camping, biking, traveling, outdoor activities or going to the gym regularly, this high-quality bottle will be your best gift choice