This set of adjustable bar chairs is constructed of galvanized steel, PU leather, and thick foam. The stools are capable of holding up to 331 pounds each. The seat can be rotated 360 degrees. You can adjust the height by lifting the handle under the seat from 36.5″ to 44.5″. With the new generation of this bar set, the pedestal base diameter has been increased to 16″, which greatly improves the stability and durability of the stools. Their versatility makes them perfect for dinner parties, meetings, hotels, restaurants, wedding dinners, celebrations, and other ceremonial occasions, as well as for dining rooms, kitchens, drawing rooms, and offices. Features: Adjustable Seat Height, Swivel Brand: Renwick Assembled Product Weight: 41.01 lbs Color: Black Manufacturer: Yaheetech Finish: Black Recommended Room: Dining Room Material: Steel, Faux Leather, Foam, Iron Assembled Product Dimensions (L x W x H): 20.70 x 19.50 x 44.50 Inches