Amazon.com: Pyrex 8 Piece Ribbed Bowl (4) Set Including Assorted Colored Locking Lids (Ribbed) : Home & Kitchen
Pyrex, Primary Mixing Bowls (4 Bowls Only with Numbers) | Replacements, Ltd.
Amazon.com: VINTAGE 1940'S PYREX PRIMARY COLORS MIXING BOWL SET - Blue 1 1/2 Pint, Red 1 1/2 Quart, Green 2 1/2 Quart & Yellow 4 Quart - SET OF 4: Home & Kitchen