Dishwasher safe. Pack of two. 12 fl. oz. capacity. Flexible base collapses inside rigid upper to reduce the overall height by 50%. Ergonomic handle. Integrated attachment point compatible with common carabiner sizes. Built in volume gradients (oz and ml). Safe for boiling liquids. FDA food safe. BPA-free. Phthalate free. Colors: Venture (black and gray) and Blue (blue and gray). Polypropylene construction. Bulk packed.