When it comes to safely transporting your Rambler Tumbler, YETIwants to lend a hand or at least a handle. To maximise portability, the Rambler Tumbler Handles provide an additional method to carry your 20 oz. and 30 oz. Tumblers. The rubber grip on the Handle ensures a secure hold for your Rambler, and the Handle's polypropylene material means it will withstand knocks and thumps with ease.