The iceberg double-walled tumbler is a fantastic companion you can take on the go or even just place at your desk. Made of AS material, this double-walled 16 oz. BPA-free tumbler can insulate hot or cold liquids well. You can be assured that your beverage will not spill with its spill-resistant screw-on lid that opens via thumb sliding. You will also get a matching 9"-long straw with it. Clean this FDA-approved tumbler by hand washing only.