The Progressive ProKeeper Brown Sugar Keeper has a keep fresh terracotta stone and tamper included. It will store a standard 2lb bag of brown sugar. It has an airtight silicone seal to keep the brown sugar fresh longer. The measurement markings up to 6 cups on the side and its approximate capacity is 1.55 Qt. Equipped with a hinged lid flips to easily fit in the dishwasher. This sugar keeper is made with BPA Free materials.