1、Food Grade Silicone Material: Made of food grade silicone material, healthy and safe, you can use it with confidence. The 700ml capacity water cup. 2、Multi Function: Luminous water bottle is not only a water cup, but also has a night light function to meet various outdoor needs. 3、Charging Method: Solar and USB dual charging methods, whether it is outdoors or at home, you can easily charge the water cup light. 4、Emergency Charging: The water cup light also has an output function, which can temporarily charge mobile devices such as mobile phones in an emergency. 5、5 Lighting Modes: Low light, high light, slow flash, fast flash, breathing 5 lighting modes to meet your different lighting needs. 1 x Cup Light1 x USB Cable Item Type: Solar Rechargeable Water Bottle LightProduct Size: Height: Approx. 18cm / 7.1inDiameter: Approx. 7.3cm / 2.9inBuilt in Battery: 14500 Lithium Battery 2000mAh (Included)Light Source: White LightMode: Low Light, High Light, Slow Flash, Fast Flash, BreathingCharging Method: Solar, USB 5VCup Capacity: 700mlMaterial: SiliconeColor: BlueWeight: Approx. 282g / 9.9oz