Refresh on the go with this insulated, stainless steel water bottle and leakproof Chug Cap. The narrow chug spout provides a convenient, controlled flow to quickly quench your thirst. The wide mouth cap easily fits ice cubes to keep things cool. 24 hours cold. TempShield®? double-wall vacuum insulation keeps temps regulated. Leakproof when closed. Won't retain odor or leftover flavor. Wide Mouth opening is ice cube friendly. Narrow Chug drinking spout is easy to sip Dishwasher safe, easy to clean. Durable stainless steel. Bottle fits most outdoor water filters. BPA-Free. Flex Chug Cap not intended for use with hot liquids. Not for use on a stove, in a microwave or freezer. Keep hot drinks out of the reach of children. Bottle fits all Wide Mouth caps and lids, including the Flex Straw Cap, Flex Cap, Flex Sip Lid for coffee and Stainless Steel Flex Cap. 32-40 oz Chug Cap Bottles fit Medium Bottle Boot. 24 oz Chug Cap Bottle fits Small Bottle Boot. All the colors, only from Hydro Flask.