You just need to put it on your wrist, fasten the belt, and then continue walking or running. You can easily suck out the water by gently biting the silicone mouth. It is very convenient to use when running. Enough for outdoor activities such as running/walking at night.The wrist water bottle is equipped with a sturdy hoop, which has good sealing performance and the liquid is not easy to leak. It can ensure that the bottle is firmly worn on the wrist, and provides you with a completely hands-free option during outdoor activities.The leak-proof water bottle is small in size and light in weight. It is very suitable for outdoor activities, such as cycling, walking, morning running, marathon, and cycling. Measuring 6.5OZ, this custom 6.5oz sports wrist water bottle wearable handsfree. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.