Hydro flask Sunset 40oz wide mouth. Stay hydrated all day with the 40 oz wide mouth bottle. Double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12. Flex Cap is leakproof when closed. Powder coat is durable, sweat-free & colorful. Wide mouth opening is ice-cube friendly. New Without Tags, Never Used. No scratches, chips or dents. Comes in protective bag.