Water Bottles Buying Guide: How to Choose

This 16 fl. oz. REI Co-op Nalgene Sustain™ bottle is the perfect size for daypack pockets and vehicle cup holders. It's leakproof and made from 50% waste plastic (using ISCC certified mass balance).
Made in USA.
View the REI Co-op Sustain Product LineView all REI Co-op Water Bottles| Best Use | Multisport |
|---|---|
| Liquid Capacity (L) | 0.5 liters |
| Liquid Capacity (fl. oz.) | 16 fluid ounces |
| Dimensions | 2.5 x 6.5 inches |
| Fits In Cup Holder | Yes |
| Water Bottle Material | Plastic |
| Material(s) | Tritan Renew copolyester derived from 50% waste plastic (using ISCC certified mass balance) |
| BPA Free | Yes |
| Bottle Opening | Wide |
| Cap Type | Screw Cap |
| Weight | 3 ounces |
| Sustainability | Contains recycled materials From a Climate Label Certified brand |
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.


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I love these small water bottles for fitting in your purse or in your car cup holder. And the colors are so fun!