Check this out! Toss the plastic cups and put away the glass beer pints neither are made to survive the outdoors anyway. Double wall Vacuum-insulated stainless steel Adventure Pint is supremely durable, so it won't break, shatter, or rust. It also keeps your brew ice-cold for 4 hours. You can stack them neatly in your camping kit or kitchen cabinet when you're done. BPA Cup holder compatible handwash only