Designed with a 3-ply capsulated base for superior heat conductivity and even heat distribution. Reinforced with Excalibur Coating technology, which uses strong and corrosion-resistant alloy – worlds toughest non-stick coating especially designed for stainless steel cookware. Our 3-ply capsulated base incorporates 1810 stainless steel inner layer bonded by aluminum center core and an induction stainless steel outer layer. This provides superior heat conductivity. When properly cared for, this cookware will provide many years of service. Shipping box: 11 x 11 x 4.5 in. Shipping weight: 4 lbs. Warranty: One-year parts and labor warranty. Customer must pay all repair and freight charges after warranty period. Warranty applies to residents of the United States only.