Product Details Keep your H20 cool (or hot!) in this printed metal drink bottle! It has a fun print on the outside, but is constructed of double-walled stainless steel, designed to keep you drinks cool and hot for hours! ' Features: - Hand wash only - Not microwave safe - Double-walled stainless steel - BPA Free Composition: Silicon 3%, 304 Stainless Steel 97% Care Instructions: Not dishwasher safe Product Dimensions 1L / 33.8 fl. Oz