NWT, no flaws. These pans are non-stick. Measurements follow:

Muffin:  15.5" long x 11.75" wide x 1.5" tall. The muffin opening is 2.75" diameter

Mini Muffin:  12" long x 9" wide x 1" tall. The muffin opening is 1.75" diameter

 
Please see pictures for details and reach out if you have any questions. Smoke free home. 

inv#20931/az