Vintage Pyrex 401 Small Mixing Bowl Orange The Vintage Pyrex 401 Small Mixing Bowl in Orange is a charming collectible piece from the 1950s. This solid round bowl, featuring a pink color and made of durable glass, is perfect for all occasions and can be used in various ways such as nesting, freezing, microwaving, and oven-baking. With its original design and brand, this PYREX bowl is a nostalgic addition to any kitchen, originating from the United States.