Yeti Rambler Jr. 12 oz Kids Bottle The Yeti Rambler Jr. is a over-engineered kids bottle thats small and mighty. This durable bottle features double-wall vacuum insulation that keeps drink icy-cold during campouts and backyard tag. The included straw cap is ultra leak-resistant and both bottle and cap are dishwasher safe. Like other Rambler bottles, the Rambler Jr. has super strong stainless steel construction to stand up to frequent drops. The Rambler Jr. is available in multiple kid-friendly D