YETI wants to give you a Handle, when it comes to securely hauling your Rambler Tumbler The Rambler Handles offer an alternative way to hold your 20 oz. and 30 oz. Tumblers to optimize portability Its polypropylene construction means your Handle will handle bumps and thumps just fine The Handles rubber grip provides an easy fit for your Rambler YETI Rambler not included with purchase. Fits Rambler 20 oz. and 30 oz. Tumblers, It’s not just a cup handle – it’s a YETI