Grivitz Handle for YETI Rambler, Rtic, Kodiak, SIC, Boss and other 30 oz Tumblers (Black/White) Grivitz handle 30 oz. fits yeti rambler, RTIC, Kodiak, SIC, boss and many other 30 oz. tumblers Two ring design holds your tumbler at the top and bottom to provide more stability- unlike other handles This handle is not only a perfect fit for your cup but also fits in most car cup-holders This listing only sells the handle for the 30 oz. yeti rambler tumbler and does not sell the tumbler