A set of two vintage Pyrex 501-B red refrigerator dishes with glass lids. These dishes were part of a larger set and were produced by Corning Glass Works starting in 1947. • The dishes are made of heat-resistant glass and were marketed for use in the refrigerator and oven. • They were known for their bright primary colors and stackable design. • The 501 model is the smallest size in the set, with a capacity of 1.5 cups. From a smoke free, pet loving home 🐾 New to Poshmark? Use my code: lpicard4661, to receive $10 off your first purchase!