Say goodbye to disposable plastic cups when it's time to drink and be merry outdoors. The Klean Kanteen Steel Cup 10 oz - 4 Pack is your go-to for lightweight, durable and safe to use drinking for tailgating, camping, picnicking and more. When used with one of Klean Kanteen's straw lids or tumbler lids, you boost the convenience turning these cups into to-go containers that can store a variety of liquids. These cups are easy to wash and can hold up to your dishwasher. Free of BPA, you can sip sweetly knowing that these steel cups are more eco-friendly than single-use plastic cups.