In keeping with the zero-waste movement, this RICARDO reusable cup is both practical and eco-friendly. It’s perfect for the car, the office and anywhere in between. Insulating cork keeps it cool to the touch when it contains hot beverages, and its double-wall construction keeps cold drinks cold longer. Specifications Made of cork Capacity: 15 oz (450 ml) Zero waste: washable and reusable, to reduce overconsumption of single-use disposables and thereby limit waste Biodegradable: made of materials that decompose within a reasonable amount of time Natural: made of elements derived from animal or vegetable sources ? BPA free Hand wash