The 20 OZ WATER BOTTLE is a stainless steel insulated reusable water bottle that keeps drinks cold for 24 hours and hot up to 12 hours. This Hydro Flask bottle is dishwasher safe and easy to clean. The double-wall vacuum insulation keeps drinks hot or cold for hours. The insulated bottle keeps beverages cold for 24 hours and hot up to 12 hours. The TempShield insulation keeps the water bottle cool to the touch. Say goodbye to leaky water bottles. The Hydro Flask Flex Cap is leakproof when closed, so you can toss it into your bag without worry. The cupholder-friendly design means your bottle fits seamlessly in most cupholders, making it right at home on the open road, on the sidelines, in a pack, or wherever you need to set your sips. Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer, so today's water won't have any taste of yesterday's iced tea. Easy to use and easy to clean, just toss the lid and bottles into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready.