The sugar prokeeper features a silicone seal for airtight storage. The flip to pour spout and contoured body make for easy one handed use. Clear body with measurement marks to see how much sugar is remaining. 2.5 qt (2.2 L) capacity Holds a standard 4 lb bag of sugar Hinged lid flips to easily fit in the dishwasher Patent pending Materials ABS, PP, SAN, Silicone and Stainless Steel Care Dishwasher Safe