Days on the dock are made better with the FLF 30 oz. Tumbler. It’ll keep your dinnertime drink cool well past sundown or your coffee piping hot throughout the morning. The FLF 30 oz. Tumbler is made of 18/8 kitchen-grade stainless steel, has double-wall vacuum insulation, and No Sweat™ Design. The Tumblers are dishwasher safe, BPA-free, and ready for just about anything.