What Our Gearhead(R) Experts Are Saying: "My kid drags this thing everywhere - and it still looks brand new. The Rambler Jr. is leakproof, easy to clean, and keeps water cold all day at school or on hikes. It's tough enough to survive the drop test that every kid seems to give their bottle at least once a day." Built to handle all the spills, drops, and adventures of childhood, the YETI Rambler Jr. 12oz Bottle gives young explorers their own indestructible hydration companion. Made from kitchen-grade 18/8 stainless steel, it shrugs off dings and dents while the double-wall vacuum insulation keeps drinks ice-cold from breakfast to bedtime. The leakproof cap makes it backpack- and lunchbox-safe, while the dishwasher-safe design keeps cleanup simple for parents. Perfectly sized for smaller hands but tough enough for the wildest playdates, this mini Rambler carries all of YETI's signature durability in a kid-sized package.