I received this pan a few days ago and just giving my first impressions on it. I will use it and then I will update my review again. It has heavy triply (steel-aluminum-steel) encapsulated bottom with 30 years warranty (only on bottom) as written on the box and built material is good, It looks very good and seems quality product. Attaching a few pictures of this pan with review for potential buyers. Amazon service was great and product was delivered in given time.