1. This 3-piece summer sports water cup set contains three different types of water cups. Each water cup has its own unique design and function. You can choose the water cup that best suits you according to your preferences and sports needs. Whether it is long-distance running, outdoor sports or daily fitness, this set can meet your drinking needs in different scenarios. 2. All water bottles are made of high-quality environmentally friendly PC material. High-quality materials are safe and durable. They are not only safe and harmless, but also lightweight and durable. Whether accidentally dropped during outdoor activities or subjected to friction and collision during daily use, these water bottles can remain intact and extend their service life. 3. Each water cup adopts a humanized design to make your drinking experience more comfortable. The pop-up lid design allows you to easily open or close the water cup, the straw function allows you to drink water freely without worrying about water splashing, and the clear scale allows you to control the amount of water you drink at any time. 4. Strong portability and light weight, convenient for you to carry anywhere and anytime. Whether during outdoor sports or in daily life, you can easily hang these water bottles on your backpack or hold them in your hand for easy rehydration at any time.