The 32 oz insulated Hydro Flask takes the most sought-after water bottle size in the outdoor industry to the next level. This classic size has long been the most popular among outdoor enthusiasts due to its ideal capacity for people on the go. Now with Hydro Flask's double wall vacuum insulation technology, drinks will stay cold up to 24 hours or hot up to 6. The 32 oz Hydro Flask is compatible with accessories such as the Hydro Flip Lid and the Straw Lid, adding versatility and making it a great option for one-handed drinking. The industry-standard mouth opening also makes it compatible with many third party water filters. The bottle is available in 9 powder coated colors and Classic Stainless. Like all Hydro Flask products, it's backed by our lifetime warranty.