Pyrex P-12-C clear glass lid For Corning Ware P-25-B Square Baking Dish

Pyrex P-12-C clear glass replacement lid.  Specifications & Fit  • Dimensions: Measures approximately 10.5 × 10.5 outer edge to outer edge.  • Primary Fit: It was originally manufactured to pair perfectly with the large Corning Ware P-34-B (5-quart) square roasting/baking dish.  • Era: The ' prefix indicates it belongs to the earlier production run (typically late 1960s to mid-1970s).  • Pattern Matching: It is the correct  authentic cover for vintage patterns of that era like Blue Cornflower, Spice of Life, and Country Festival.