Each tumbler comes with a tight sealing lid that has an opening to sip/drink from and also allows for the use of a straw (included). Whether hot or cold, you will love how these tumblers perform and look for years to come. Keep your beverages cold for 24 hours or hot ones for 8. A lifetime warranty comes with this double walled vacuum insulated tumbler. The 18/8 Kitchen grade stainless steel construction provides both your hot and cold drinks at the perfect temperature. All materials are non-toxic and BPA-Free for daily use and peace of mind. Each tumbler has a matte UV-print finish.