High Quality Materials: The Travel Bottle Is Made of High Quality Plastic and Does Not Contain Bpa. .Anti-Drip Design: The Bottle Cap Features An Anti-Drip Valve To Prevent Leakage or Overflow and Protect Your Luggage and Clothing. You Only Need To Open The Cap With One Hand. .Size of Opening for Filling and Cleaning: Unlike Most Travel Bottles, This Large Opening Makes It Easy To Pour In Thicker Liquids and Clean The Inside With A Brush. The Filling Is More Convenient, Removable and Easy To Clean. .Durable: Soft and Drop-Resistant, Recyclable, Compact and Exquisite, Easy To Carry, Can Be Put In A Pocket or Bag, Convenient To Use Anytime, Anywhere, Durable and Long Service Life.