Fun Fact: Replacing a screw-top bottle with the Avex FreeFlow AUTOSEAL, your water intake increases by nearly 20%. The one-handed drinking lid design delivers hydration convenience from this 25oz. Water Bottle. For further convenience, its idyllic slim and standard size is perfect for the trail and fits easily in your backpack. Featuring high-flow rate, cross-bolt locking spill-proof lid, and BPA free materials, there's no bottle like the Avex FreeFlow Autoseal. Enjoy this Water Bottle when you head off for your camp experience and stay hydrated!