12oz double-wall vacuum-insulated bottles with straw caps - kids. The double-wall vacuum-insulated walls give you a worry-free mind knowing your beverages are kept icy cold or piping hot for hours. Made of lightweight 18/8 food-grade stainless steel that is non-leaching and will not retain taste or odor. The double-wall technology prevents condensation on the outside for those hot sunny days while keeping the heat within the inner wall so every hot chocolate is as warm as it was coming off the stove. The Kids Collection is made specifically for kids and will keep beverages hot or cold for hours. The 12oz bottle is a perfect shape and size for little ones and the comfortably designed straw lid has an easy handle to hold on to while strolling around the park. It’s everything a little one needs to keep them going.