Best Reusable Water Bottles in 2025
If you want a trusty stainless steel water bottle that is school- or office-friendly, then you'll like the S'well bottle. The S'well Blue Granite Bottle is BPA- and BPS-free and made with food-grade stainless steel. It uses S'well's "Therma swell technology," meaning it's triple-layer vacuum insulated to keep your water cold for up to 48 hours or hot for as long as 24 hours. This varies on the size of the bottle -- the bigger the bottle, the longer your beverage will maintain its temperature. Th