Colster Can Insulator is the perfect format for your larger canned drinks, keeping all 16 ounces cold through the last sip. Plus with the patented NoSweat Design, it is ideal for long hot days that call for bigger beverages. Food grade 18/8 stainless steel holder with double wall vacuum insulation and a ThermoLock Load-And-Lock Gasket that seals in the cold while only requiring an easy quarter-turn to secure can. Durable construction won't dent when dropped, and DuraCoat color won't chip or crack. Dishwasher safe.