The practical bottles for all applications Each Opening is 09 mm. They are more splash-free to use than the wide-necked bottles. Of course as well as being virtually indestructible, it is guaranteed to be leak-proof and really great for school, Camping, Hiking, cycling, Outdoor and free time. Our new Nalgene Sustain product line is made from Tritan Renew, 50% certified recycled content further off setting the use of fossil fuels and lowering greenhouse gas emissions. The same great Sustain water bottle made with material derived from 50% plastic waste now has a new look.

Features:

• Nalgene Tritan Narrow Wide Mouth Plastic Water Bottle, 32 Ounce
• The practical bottles for all applications Each Opening is 09 mm. 
• They are more splash-free to use than the wide-necked bottles.
• It is guaranteed to be leak-proof and really great for school, Camping, Hiking, cycling, Outdoor and free time. 
• The same great Sustain water bottle made with material derived from 50% plastic waste now has a new look