Best tumbler: Yeti Rambler 20 Oz. Tumbler – Camp Green Allow us to introduce our top pick for the ultimate Yeti tumbler: the Yeti Rambler 20 Oz. Tumbler in the striking Camp Green hue.
The first difference is their capacity. The Stanley tumbler comes in 16- and 20-ounce sizes, while YETI comes in 10-, 20- and 30-ounce sizes. The second difference is the color options.