Thermik Handle for YETI Rambler 30 oz Tumblers, Ozark Trail and More The original single ring handle for Yeti style 30 oz tumblers Wedges firmly in place, pour out yesterdays coffee with confidence Open bottom means it will fit in almost every cup holder so you can keep your eyes on the road Bombproof construction, overbuilt to survive anything you throw at it Made from FDA-approved and BPA-free nylon <span class="a-text-bold">Also Fits:</span>Yeti Rambler,Ozark Trail, Ibex, Rocky Mountain,Engel, BOSS, Grizzly, Member&#039;s Mark,SIC Glacier, Polar Pad, Smart, ICONIQ, Magnum Steel, Kodiak Tundra, Zero Brand, Kryo and many more. If your brand is not listedmeasure the top diameter, which should be 4&#034; for a good fit.