These practical 11 oz wine tumblers are amazing for outdoor parties, beach and boats, as they feature a double-wall, vacuum insulation that keeps your wine perfectly cool for hours. They are made of 18/8 gauge stainless steel (also known as Type 304 Food Grade) and are completely BPA and lead-free. Care instructions: Hand wash recommended.

• Keeps liquids cold for 24 hours & hot for 12 hours

• Includes clear thumb-slide lid