Crafted with 18/8 kitchen-grade stainless steel and double-wall vacuum insulation, the YETI Rambler 30 oz. Tumbler ensures drinks stay at the ideal temperature. The No Sweat Design and BPA-free material make it dishwasher-safe and resilient enough for any outdoor activity or long day. Choose from an array of colors and enjoy elevated days at the dock with the Rambler. With Magslider Lid.