YETI Rambler 30 oz Tumbler – Durable, Insulated, and Built for Any Adventure MagSlider™ Lid Included Every Rambler comes with YETI’s signature MagSlider™ Lid—the only lid that uses powerful magnets to help keep your drink (whether water, beer, or your favorite beverage) securely covered. BPA‑Free & Dishwasher Safe Made for convenience and daily use. These Ramblers are BPA‑free, fully dishwasher safe, and feature YETI’s No Sweat™ Design to keep your hands dry no matter what’s inside. Ultra‑Durable DuraCoat™ Color The DuraCoat™ finish won’t crack, fade, or peel—even through heavy use. It also adds an extra layer of grip to the exterior for better handling. Over‑Engineered Insulation Built with 18/8 stainless steel and double‑wall vacuum insulation, this tumbler keeps cold drinks cold and hot drinks hot—no matter how rough the journey gets. Built to Fit Your Routine The YETI Rambler 30 oz Tumbler stands 7 5/8 inches tall with a 4-inch lip diameter, and is designed to fit in standard cup holders.