Description Any tumbler that's coming along for the ride needs to be tough enough to keep up. Our Rambler 30 oz. is made from durable stainless steel with double-wall vacuum insulation to protect your hot or cold beverage at all costs. While the magnet on the included MagSlider Lid adds an additional barrier of protection for keeping drinks contained and preventing heat or cold from escaping, please note - this magnet component is not leakproof and will not prevent spills. Available in stainless and DuraCoat colors.PRODUCT DETAILS:MagSlider lid uses magnets for smooth opening and closing, and has a crystal-clear lid so you can always see if you're in need of a top off; magnet pops off for easy cleaningRambler Tumbler keeps ice frozen twice as long as a plastic tumbler, and it works just as well for hot beveragesMade with high-quality 18/8 stainless steel with a DuraCoat finish, and uses double-wall vacuum insulation to keep your drinks hot or cold for hours to comeDuraCoat color won't fade, crack or peel, and is food-safeShatterproof, BPA-free and dishwasher-safeTapered design fits in most car cup holdersImported.