Same Pyrex glass and ergonomic handles as the 3-pack, just without the 4-cup size. 1-cup and 2-cup are the sizes most home cooks reach for daily — the 4-cup tends to come out only for stock or doubling recipes. Skipping it saves shelf space and a few dollars.
Useful as a starter set for a first apartment, a backup set for a vacation rental, or a fill-in for households that already have a 4-cup but just chipped their smaller cups. Microwave/oven/dishwasher safe.
Pyrex makes borosilicate kitchen glassware in Charleroi, Pennsylvania.