Tupperware 1.1L Freezer Mates Container – Set of 2 Freezer Safe Storage Containers – Anti-Stain Material – Fast Freezing and Stackable : Amazon.co.uk: Home & Kitchen
60ML Plastic Food Containers with lids Small Takeaway Freezer Safe Storage Boxes | eBay
The Best Freezer-Safe Containers & Other Packaging for Freezing Food | The Kitchn