This Bar Stool includes a USA made 360 degree commercial swivel. The bar stool Seat is manufactured in the USA using American made components. The metal back posts are made in the USA. The frame is about half domestic and half foreign components. Our round bar stool Seat is made of cut 2x4's, fiberboard, 1.25 inch foam, and a reinforced fiberboard ring. An order of bar stools will be packed and shipped using the most cost effective method. The seat has approximately a 15 inch diameter.