: With One-Key Lock And Sealing Rubber Ring Design On The Bottle, Make Sure The Dog Water Bottle Doesn'T Leak At All. Unused Water Can Go Back Into The Container Easily By Pressing The Button. : Our Dog Water Bottle Is Made Of 100% Food Grade Silicone And Plastic. Healthy For Your Pets With Bpa Free, Lead Free, Food Grade Abs, Pc, Fda. Please Keep The Bottle Away From Hot Water Over 176/80. : No Worry About Wetting Your Bag With One-Key Lock And Sealing Rubber Ring On The Bottle. It Has A Bigger Trough Of 3.15 Inch To Feed Your Pets. Just Keep Pressing The Button To Let The Extra Water Flow Back. : One Hand Operation, Press Water Key To Fill Water, Release To Stop Water, Very Easy To Feed Your Pet With Portable Water Bottle For Dogs.