Pyrex Prepware 1-quart mixing bowl includes 1-each 1-quart mixing bowl. Whether you are preparing a multi-course meal or simply a snack for one, Pyrex offers products which make food preparation a little easier, from beginning to end. There"s no substitute for Pyrex, the original glass bakeware. Introduced 90 years ago and made of a durable, high temperature material, Pyrex remains the ideal medium for safe, dependable food preparation.