Our stainless steel 10 oz Cup is the perfect kids cup for water or snacks and a versatile size for adult beverages such as wine. cocktails or whiskey. The 10 oz Cup stacks perfectly. is very lightweight. durable and can be used with our silicone Pint Ring making it easy to clip it on a backpack and bring on all adventures. Perfect for entertaining for home. picnics. camping and a go anywhere bring your own cup. Ditch the inferior plastic cup and upgrade to our steel cup! Need an insulated cup?