The frame is made from commercial quality 16 gauge, 1 1/4 inch tube steel with solid mig welded joints to guarantee strength and durability. 30" Blk Wrinkle Butler Swivel Bar Stool,Laser Engraved Back At the heart of the cushion is 2 1/2 inches of highly-dense foam that provides maximum support and will not breakdown in a couple years. The back is first laser engraved with your teams logo on state of the art equipment and then finished and sealed to ensure the best quality product possible.