Amazon.com - Wotermly 20 Pcs Small Plastic Boxes Mini Square Plastic Clear Storage Containers Box with Hinged Lid for Organizing Tiny Items (Size A 20 Pcs) -
Thermo Tek 39 oz Square Clear Plastic Clamshell Container - Anti-Fog - 7 3/4" x 7 3/4" x 2 1/2" - 100 count box
Ziploc® Brand, Food Storage Containers with Lids, Smart Snap Technology, Deep Square, 3 ct - Walmart.com
Amazon.com: 8-oz. Square Clear Deli Containers with Lids | Stackable, Tamper-Proof BPA-Free Food Storage Containers | Recyclable Space Saver Airtight Container for Kitchen Storage, Meal Prep, Take Out | 20 Pack: Home
IKEA 365+ Food container, square/plastic, 47 oz - IKEA