Rambler Jr. is a small and mighty children's bottle specially designed for your little ones. This 12 oz. powerhouse inherited double-wall vacuum insulation from its Rambler predecessors and carries on the family legacy of keeping icy water icy cold. As a convenience to you, we've made sure that the straw cap (which is included, by the way) is leak-proof when closed and that both the bottle and cap are dishwasher safe. In addition, it is designed with a super strong, stainless steel armor that will not flinch from knocks and drops due to slippery hands.

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