The prep works by progressive Large Coffee ProKeeper stores up to 2.5lbs (40oz) of whole bean or ground Coffee and has a strong silicone gasket for airtight storage. The tinted uv-blocking plastic reduces exposure to harmful light which in turn keeps your Coffee fresh and preserves bold flavors longer. It also includes a dual scoop which stores conveniently in the lid. This container has a 4-Quart (3.8 L) approximate Capacity and is BPA-free and dishwasher safe. Patent pending. For over 40 years, our mission has been to create innovative kitchen tools and gadgets that make food preparation fun and fast while inspiring culinary creativity. From our thin store & trade; collapsible to our sophisticated pl8™ line, our dedication to providing quality products supported by superior customer service continues to drive our creative development today.at Progressive International, we continually strive to understand the needs of today; s cooks. Our team includes talented, energetic and passionate people committed to reimagining the kitchen. We strive to pass our passion on to our consumers through our thoughtfully designed tools, layered with our avid desire to go beyond the expected. Our philosophy is simple: offer stylish designs complimented by no-nonsense functionality. We understand the kitchen is the heart of the home, where families and friends connect. our ongoing mission is to provide exceptional kitchen essentials that help cooks of all skill levels create meals worth sharing. Prep solutions, prep works and Pl8 continues to build on the progressive; Legacy by offering products that make food prep faster, easier and more enjoyable.