Quarter Sheet Pan Size 9 inch by 13 inch; with Superior Durability made from 14 gauge Aluminum and Stick-Resistant Dura-Kote (DK) coating. The perfect sheet pan for home with commercial bakery durability and performance. Manufactured in the USA, these professional baking pans (sheet pans) are a staple for every baker. These sheet pans will never rust, flake, chip, or peel. A superior sheet pan! Easy Grip-lip Rim, PFAS Free, Water-Based Release coating. Beauty Marks: These are commercial grade pans designed for excellent performance. We do not spend extra time and expense to make them look good if it does not affect performance. Sheet pans have small production marks on the lip and on the center hole of the insert from anodizing. They have been finished with a non-toxic, quartz-like mineral based release coating and will not chip/flake at those spots. These marks will not degrade the performance in any way and are normal on all pans. HAND WASH ONLY