The Klean Kanteen 4-Pack 16 oz Steel Pint Cup make it easy to bring to parties, camping and use at home. The Steel Pint 16 oz stacks perfectly, is lightweight, durable and can be used with the silicone Pint Ring making it easy to clip it on a backpack and bring on all adventures. Ditch the inferior plastic cup and upgrade your whole family with the Klean Kanteen 4-Pack 16 oz Steel Pint Cup!