Silicone Baking Mat &ndash; Set of Two 16 &frac12; x 11 5/8 For Use With Bakeware or Pans - Non-Stick Surface for Baking Without Oil, Sprays, Aluminum Foil, or Parchment Paper &ndash; Professional Quality! SmartShef Silicone Mats are Made of the Highest Quality Materials; Fiberglass and FDA approved Silicone Used by Many Professional Chefs Because of Their Performance, Time Saving Elements, and Cost Savings - SmartShef Mats are Manufactured With the Latest Technology for Maximum Life Extremely Durable; They Wont Rip or Tear and They Never Loose Their Shape Eco-Friendly - No Need for Sprays, Oils, Wax Paper, Aluminum Foil, or Parchment Paper Saving You Money on Your Baking Supplies as Well as Extending the Life of Your Baking Pans Silicone Provides Even Heat Distribution so You Get Consistent, Even Browning Each Time Without Burning or Scorching