13.5 guage spring unit system. Stitch bond hard wearing fabric. Manufactured in the UK and Complies with BS7177 UK fire regulations. Timber divan base. Base comes in 1 section with castors and attachments for the headboard. Wide range of sizes and storage options to choose from. Fabric colour can be different than what showing in the picture. Size = 4ft 6in Double Divan Bed (W:54 inches x L:75 inches ).