Made of 304 stainless steel, polished inside for additional rust protection, no BPA, no smell, exterior powder coating, will not fade, steel cup maintains good rust resistance and long term durability, helps to reduce waste, produced by plastic and glass cups.These metal drinking cups have a capacity of approximately 16 ounces and can be stacked when not in use for space saving easy storage.Metal cups meet the needs of hosting a party nice for all occasions, compatible with many drinks, enjoy drinking soda, beer, juice, cold coffee, smoothies, iced tea, cider, milk.Perfect for home and outdoor events, such as office, picnics and traveling, school, camping, hiking.