Pyrex Brand Bake-A-Round by Corning. Made of Heat Resistant Glass. Use Frozen Dough, Your Own Yeast Bread Recipe, or One of Ours (Basic White, French, Italian, Cinnamon, Herb and Others Recipes Included). Crispy Crust All Around and Inside a Nice, Firm Texture. Includes Oven Proof Rack to Hold, Carry, and Store The Baking Tube. Glass Tube Measures: 14″ L x 3.5″ Diameter. Produced Circa 1980s No Longer Made. New/Old Stock Sealed Box.