Fangrui Product Details 1.carry Conveniently: Save Space And Stay Hydrating Anytime, Anywhere With This Flat Water Bottles Easy-to-hold Square Design. Store It In The Side Pocket Of Your Backpack Or Handbag For Convenient Access To Hydration Outdoors. 2.hygiene Convenience: Made From High-quality Materials, Our Flat Water Bottle Provides A Safe And Hygienic Way To Stay Hydrating. Its Flexible Design Makes It Sturdy And Not Easily Breakable, Giving You Peace Of Mind When Youre Outdoors. 3.boost Productivity: Our Flat Bottles Moderate 500ml Capacity Makes It The Partner For Maintaining Childrens Daily Water Needs And Adults Hydration After Single Exercise While Ensuring Convenient Portability. Make Hydration A Habit And Stay Healthy. 4.seal Of Security: With The Flat Water Bottles Advanced Silicone Sealing Rings, You Can Be Sure Of A Leak-proof Seal, Giving You Peace Of Mind Every Time You Tighten The Lid: No More Worries About Water Damage To Your Items. 5.hydration Management: Keep Track Of Your Daily Water Intake With