Nalgene's leak-proof loop-top swings open wide to reveal a contoured, high-flow drinking spout that's easy to fill at the fountain or sink. One-handed push button for easy open/close; locking bail for ultimate insurance against leaks. Dishwasher safe. BPA Free. 24 oz. Wt: 4.8 oz. OTF Counter Display holds 24 bottles, 6 per slot. Mix and match colors. Preassembled. Sturdy corrugated construction. Perfect for retail environment. Openings on the back of display for hanging on slat or grid wall as well.