【Small Size, Large Capacity】: A5 paper flat kettle, can hold 380ml of water.Thanks to the unique slim water bottle design, it can be easily placed anywhere. 【Leak-proof Design】: Spiral bottle mouth design, with rubber seal inside, no water leakage, safer to use.The bottle's leak-proof lid opens easily and the small mouth is perfect for sipping, making it easier to use water. 【Reliable Material】: PP+AS material, safe and reliable, made of premium plastic, BPA-free and completely leak-proof. The A5 water bottle is designed to be reliable and easy to carry around. 【Novel Shape】: Stylishly styled, this is a premium slim, reusable water bottle with a stylish design that will attract attention and encourage you to drink more water. 【After-sale Service】: Thanks for your purchase. If you have any problem , please contact us any time. We promise you the solutions within 24 hours.