1. Safe Materials - All Lock & Lock Water Bottles Are Bpa Free Products That Do Not Contain Suspected Edc Materials, Bisphenol A And Harmful Plasticizer. 2. Convenient Portability - Its Practical Hand Grip Give You Great Convenience While Traveling Or Doing Outdoor Activities. 3. Easy Drinking Outlet - Drinking Is Easier And Simpler With Narrow Outlet Designed For Convenient Drinking. 4. Trendy And Various Design - It Presents A Variety Of Water Bottles With Sensible Design That Pleases All Kinds Of Customer Tastes From Adorable Patterns, Sentimental Designs And Great Functionality.