1) Powder coated metal tube with wooden slat 2) DB002 souble size: 1,370 x 1,900mm 3) KB002 king size: 1,540 x 2,000mm The bed frame includes 1 headboard, 1 footboard, 2 side-rails, 1 middle slat support, 1 cross bar, 2 support legs and hardware. The big vertical posts in the headboard and footboard are 1.1mm. The other tubes are 1.0mm. Outer packing: 1pc/2 cartons Metal Bed Frame