From largest to smallest, with approximate measurements, the colors are:

Yellow - 10.5" across the rim x 4.25" high

Green - 8.75" across the rim x 4" high

Red - 7.25" across the rim x 3.75" high

Blue - 5.75" across the rim x 3.5" high

The yellow bowl holds 4 quarts. This bowl is in BEAUTIFUL condtiion - super shiny, barely a blemish. There are a couple of super tiny spots of paint lost. Minimal interior scratches. No chips.

The green bowl holds 2.5 quarts. OLD STAMP on the bottom. This bowl has some light fading/loss of glossiness/some dullness. It shows much heavier use then the other bowls. There are scratches to the interior as well as some minor scratches/small spots of paint loss to exterior. No chips.

The red bowl has a capacity of 1.5 quarts. It is super bright and shiny, it has the OLD STAMP. Inside has minimal scratches - the exterior has a couple of small but deep scratches (shown in photos) and some very tiny spots of paint loss. Still a beautiful bowl.

The blue bowl holds 1.5 pints. Really nice condition - bright, vibrant and glossy with just a couple of very tiny spots of paint loss.

The complete set weighs just over 8 lbs.