hydro flask 10 oz wine tumbler - stainless steel & vacuum insulated - press-in lid - black hydro flask the hydro flask 10 ounce wine tumbler makes it easy to bring your favorite vintage along on any adventure. unlike your average stemless wine glasses, our wine tumbler is durable, portable, and maintains the perfect temperature for your beverage for hours. the wine tumbler comes with a bpa-free and phthalate-free press-in lid with honeycomb insulation. this stainless steel wine tumbler lets you enjoy wine and alcohol wherever you go, from afternoon picnics and evening concerts to weekend excursions and beyond. featuring a modern, yet familiar shape, our insulated tumbler holds two standard pours, plus it pairs with our insulated 25 oz wine bottle. this 10 ounce hydro flask cup is backed by a manufacturer's lifetime warranty.