This is a set of 8 pyrex cups by Corningware glass. The bottom is stamped "Pyrex for oven and microwave no stove top or broiler Corning @NY USA." They measure almost 3 1/2 inches high by 3 inches wide. They have the easy-to-use "D" handle.
Pyrex is a brand name for heat resistant glass introduced by Corning Incorporated in 1915. The design is all intact and there are no chips, cracks, breaks ...click for details
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