LIHAO Handle for 30 OZ Yeti Rambler Rtic Tumbler and Many More Made for 30oz Yeti Rambler Rtic Tumbler. ERGONOMIC DESIGN - Prevents slipping and hand fatigue. GUARANTEED FIT - We guarantee the fit on your hand and your tumbler. ALSO FITS: King - Thermik - Orca - SIC - Boss and many others. Unbeatable Warranty: We stand behind our product and provide you with a 100% MONEY BACK GUARANTEE if you are not ABSOLUTELY THRILLED!