Airtight Blue Storage Container Set

This is a set of vintage Tupperware "Square Round" storage containers in pastel blue. The containers are modular and stackable, designed for efficient storage in the fridge or pantry. They are likely from the 1960s or 1970s and made in the USA. The set appears to include various sizes, some with base numbers like 311 or 312. These items are often considered collectibles due to their vintage nature and durable design. Perfect for storing dry goods and leftovers. Sizes are 8x5x4.5, (2) 6x5x4.5, 3.5x5x4.5 & 2x5x4.5. Great vintage condition. Minimal signs of wear. Nothing major. Many years of use left in these. 30