Kaiser's unique Crystal baking pans feature a glass bottom that is scratch-proof and cut resistant. The sides are made of heavy-guage steel and have excellent non-stick properties. When your baking is done, just gently separate the metal ring from the bottom and you're ready to serve on the glass base. Kaiser's heavy gauge steel allows for uniform and gentle heat distribution for optimal results, while the non-stick coating eliminates the need for flouring the pan, quick release, and easy cleanup. Kaisder bakeware is made in Germany.