Now with the addition of the MagSlider™ Lid, the YETI Rambler® Tumbler is better than ever! Featuring 18/8 reinforced stainless steel, DuraCoat™ Color Technology, and a magnetic slider, the 20 oz. Rambler® Tumbler offers increased ruggedness, durability, and easy use. The MagSlider™ Lid slides smoothly back and forth, and protects from splashes whether driving on bumpy back roads or hitting some waves on the water. TECHNOLOGY: DuraCoat™ Color Technology is built to last with no chipping, fading or cracking 18/8 Kitchen-grade stainless steel construction for extreme durability Double-wall vacuum insulation keeps your beverage hot or cold No Sweat™ Design keeps your hands and cup dry MagSlider™ Lid uses magnets for easy opening and closing, and keeps your beverage cold/warm longer FEATURES: Fits comfortably in your car, boat or truck cup holder Puncture-resistant and rust-resistant for lasting use Lid has a crystal clear and shatterproof design MagSlider™ magnets pop off for easy cleaning Rambler 20 and MagSlider™ Lid are both dishwasher safe Compatible with YETI beverage holder Note: This product is not intended to be leakproof and will not prevent spills SPECS: Capacity: 20 oz. Height: 6.875” Mouth width: 3.5” Base width: 2.75” Weight: 12.7 oz.