Material details: 1.Aluminum tube:25x25x1.8 or 25*25*2.0(mm) 2.Foam: Molded seat with high density (55-60kg/cbm),high:60mm, N.W:430G,+12mm plywood 3.Fabric: Professional furniture fabric, lots of fabric in color and design for choosing. 4.Paint coating finish with environment protection and scratch resistant 5.Foam and fabric can be made fire retardant according to UK (BS5852) or US (CA117) standard. Packing details: plastic bag and no-woven fabric Quality Guarantee period: six years under normally use.