Rubbermaid TakeAlongs Twist and Seal Food Storage Containers. Set of 3. 2 Cup Capacity. Twist tight, leak proof. Microwave and freezer safe. Made in the USA.
Since these are microwave safe you could also use them to rehydrate yeast. See: Step by Step: Rehydrating Dried Yeast Using Rubbermaid TakeAlong Containers
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