Vintage set no chips but some scratches showing signs of wear. Pyrex 322(1 liter), 323 (1.5 liter), 325(2.5 liter). The PYREX cobalt blue set of 3 nesting glass mixing bowls is a vintage product originating from America in the late 20th century. These round bowls are made of pressed glass and feature a solid cobalt blue color with a clear bottom. With a mid-century modern style, these bowls are oven-safe, microwave-safe, and break-resistant, making them perfect for all occasions. The nesting design allows for easy storage, while the retro and vintage theme adds a touch of nostalgia to your cooking experience. Made by the trusted brand PYREX, these mixing bowls are a stylish and practical addition to any kitchen.