Vtg Pyrex Nesting Mixing Bowl Set 3 Tones Of Blue Glass Clear Bottoms. Pre-owned in very good condition, no chips or cracks. There are a few scratch marks here and there. The small bowl, number 322, has a 7" diameter. The medium bowl, number 325, has a 9.75" diameter. The large bowl, number 326, has an 11.75" diameter.