The Nalgene 24 oz.On The Fly Water Bottle Replacement Lid is a leakproof loop-top cap with a contoured, high-flow drinking spout that's easy to fill at the fountain or sink. A one-handed push button for easy open/close and a locking bail for ultimate insurance against leaks. The cap is also BPA free, dishwasher safe and full durable for drink after drink.

• Leakproof loop-top cap
• Contoured, high-flow drinking spout
• One-handed push button for easy open/close
• Locking bail for ultimate insurance against leaks
• Dishwasher safe and BPA Free
• Easy to fill at the fountain or sink
• Metal ring keeps the cap closed when the bottle is stowed
• Taste and odor free