Set of 3 Tupperware FridgeSmart Containers - 2 Small Deep, 1 Small Shallow

Set of 3 Tupperware FridgeSmart Containers - 2 Small Deep, 1 Small Shallow Includes 2 small deep (1 3/4 qt) and 1 small shallow (3/4 qt) containers. Very good used condition. Tupperware FridgeSmart containers, designed for storing fruits and vegetables to keep them fresh longer. These containers utilize a proprietary Atmosphere Controlled Environment (ACE) system, featuring a three-way adjustable vent and a custom base grid to regulate airflow and humidity. * Material: Plastic, BPA-free, and dishwasher safe.
 * Features: A 3-position slider on the lid adjusts venting (closed, half open, fully open) based on the produce type, as indicated by a guide on the container itself. 
 * Design: The containers are stackable to save space in the refrigerator.