The Klean Kanteen Stainless Steel 10 oz Cup 4 Pack makes it easy to bring your own to parties, picnics, camping, or just use at home. A versatile size is great for adult beverages such as wine, cocktails or whiskey. The 10 oz Cup stacks and nests, and is very lightweight and durable. The perfect kids' cup for water or juice, with sippy and straw cap accessories. Great for entertaining or on-the-go anywhere. Ditch the inferior plastic cup and upgrade your family drinkware!