The headboard & footboard have brackets that are pre attached to them. There are eight bolts which will need to be loosened ,Once they are loose, you can hook the side rails in and then tighten the bolts.
eBay
Single Fabric Bean Bag Sofa with Cotton Filler for Living Room 1 Person Cozy Chair Pouf Puff Couch Tatami Furniture
Aliexpress UK
(Headboard) CUSTOMISE OPTION. Darsons Art Deco Extended 54" headboard 3Ft 4Ft 5Ft 6Ft. The Ottoman Base provides great mattress support along with bringing a huge selection of storage space for the bedroom.
eBay
Eco-friendly Nordic Single Sofa Chair Soft Comfortable Backrest Cute Bean Bag Baby Small Sofas for Kids Living Room
Aliexpress UK
The optional drawers provided in the base are roomy enough to get everything organised. Mattress Information. 8-9" overall mattress depth. Colour Range. Soft touch quilted fabric. Contours to the body’s shape which reduces pressure points that may cause swollen hip joints or aching pelvic area.
eBay
Caterpillar Lazy Sofa Sleepable or Lying Living Room Balcony Bedroom Single Sofa Indoor Internet Celebrity Leisure Chair
Aliexpress UK
Available Sizes: Choose from a range of sizes: Single (3ft), Small Double (4ft), Double (4ft6), King (5ft), and Super King (6ft) to suit your space and preferences. Soft foam underneath adds a luxurious touch.
eBay
Modern Lazy Sofa Chair – Minimalist Modular Folding Sofa, Cream Fabric Single Seat for Small Apartment Living Room
Aliexpress UK
OTTOMAN STORAGE FABRIC SIDE OR END LIFT OR NO STORAGE OPTIONS DIVAN BASE ONLY - IJD057. Luxury Upholstered Ottoman Divan Base - Premium Classic Ottoman Reinforced Divan Base. - The Divan is Constructed using Premium British Timber.
eBay
Sponge Filling Folding Living Room Sofas Multifunctional Modern Simple Single Sofa Removable Nordic Luxury Home Furniture
Aliexpress UK
Soft Velvet Spring Field Divan Storage Bed. DIVAN BED SIZE. FOR EXACT COLOUR CHECK THE SWATCHES. SMALL DOUBLE. £100 EXTRA FOR 60" HIGH HEADBOARD. £200 EXTRA FOR 72" HIGH HEADBOARD.
eBay
Lazy Sofa Reclining Sleeping Single Sofa Bedroom Bay Window Tatami Internet Celebrity Lazy Chair Balcony Leisure Chair
Aliexpress UK
✔ High quality crushed velvet divan base in Ottoman style. Luxury Crushed Velvet Chesterfield Ottoman Storage Gas Side Lift or End Lift Bed Headboard Mattress. ✔ Includes 51" floor standing headboard.
eBay
Home Single Sofa Bedroom Living Room Balcony Luxury Sofa Soft Comfortable Negotiating Chair Home Decor Furniture Accessories
Aliexpress UK
4FT6 - Double: Width: 135 cm, Length: 190 cm. Chesterfield Divan Bed Sets Chesterfield Plush Velvet Upholstered Ottoman 48" Headboard Double. New chesterfield Divan bed set with a fabric and colour of your own choice.
eBay
Nordic Designer Compression Sofa Luxury Apartment Modern Elegant Compression Sofa Unisex Single Meuble De Salon Furnitures
Aliexpress UK