ProKeeperKitchen Storage
ProKeeper 4-Quart Flour Storage Container review
A 4-quart airtight flour container in clear, BPA-free plastic with a silicone seal and measurement markings.
4.9

Airtight baking storage containers
Airtight, BPA-free containers for flour, sugar and grains, from 1 to 4 quarts.
ProKeeper makes airtight storage containers for baking staples: flour, sugar and grain keepers from 1 to 4 quarts, in BPA-free, dishwasher-safe plastic.