Built for young adventurers who demand durability, the YETI Rambler Jr 12 oz Kids Bottle keeps drinks ice cold for hours with double-wall vacuum insulation. Crafted from premium 18/8 stainless steel, it withstands the rigors of active play while the leakproof design prevents spills in backpacks and lunch boxes. Dishwasher safe for easy cleanup. Ideal for ages 3 and up.