ZULU Echo Insulated Stainless Steel Kids Water Bottle with Flip Straw, 12oz. Vacuum insulated stainless steel keeps beverages colder for longer Locking one-touch flip lid with soft straw Perfectly sized at 12oz. to fit in lunch boxes and smaller bags Certified BPA-free, Phthalates-free, PVC-free and lead-free Dishwasher-safe. Do not microwave. Do not freeze.