They are white milk glass with turquoise decorative patterns.
All four bowls are in excellent condition with no flaws.
There are 2 of the 1 1/2 QUART bowls marked on the bottom
"Pyrex Ovenware" 1 1/2 QT 402 #38
"Pyrex Ovenware" 1 1/2 QT 402 #28
There are 2 of the 1 1/2 PINT bowls marked on the bottom
"Pyrex Ovenware" 1 1/2 PT 401 #34
"Pyrex Ovenware" 1 1/2 PT 401 #23