comfortable and durable frame; 28 transverse slats of glued laminated wood; slats placed in rubber holders; hardness adjustment in the middle part of the frame; optimal distribution of body weight thanks to the location of the belt in the middle of the frame; available widths: 80, 90, 100, 120, 140, 160, 180; for a 160x200 bed you need to buy 2 pcs. 80x200 frame, while for 180x200 bed you need to buy 2 pieces of 90x200 frame.