Here we have an Argos Kaycie pine double bed with mattress. It was my daughters bed in her student accomodation, and was bought around a year ago. It is in good order, and the matress is clean apart from marks where the headboard has rubbed on the corners (see pics).
eBay
Double-Layer Weave Ultra-Soft Breathable Bed Flat Sheet 1Pc (No Pillowcase) Home Bed Linen Sheet Bedsheets for Single/Couple
Aliexpress UK
ibou 5 years ago but still in good condition. only thing storage drow the end part have cracked but already fixed and not seen ander the mattress. other wise still good. collection only from cv6 can deliver for free in Coventry only.
eBay
Polyester Quilted Bedspread, 3D Printing Bedspread, Bed Covers, Blanket, Pillowcase, Double, Queen, King, Solid Color, #/
Aliexpress UK
Bought about 1 year ago and put in spare room. Barely used and selling as getting a sofa bed to free up space. Small double size. Comes with firm silentnight miracoil double sided sprung mattress. Both frame and mattress are in excellent condition with no marks or damage. Mattress protector always used and can be included if wanted. Cost £340 in total. Will be disassembled for collection. Buyer to collect from Manchester M16
eBay
2 People Luxury Double Bed Bed Sheet Elastic Fitted Sheet Mattress Cover Couple Bed Linen 150/180x200 Bedding Queen King Size
Aliexpress UK
Double metal bed with mattress. Colour black. Comes with mattresses. Frame bolts together
eBay
3-piece set, one down duvet cover + one pair of pillowcases (without cores), bedding set, double bed/adult bed or single bed
Aliexpress UK
Small double bed in blue colour is used but great condition with no any visible sign of marks from pets and smoke free household
eBay
Winter Plush Elastic Fitted Sheet Double Bed Sheet Soft Warm Velvet Bedspread Mattress Cover Bed Linen Protector 90 150 160 180
Aliexpress UK
2 available. This listing is for a grey small double bed frame made of wood. It is suitable for adults and designed for a bedroom setting. The bed frame is compatible with a small double mattress. Please note that this product is classified as "New other (see details)" but additional details about its condition are not provided.
eBay
Bed Sheets Fitted Sheet Non Slip Cotton 침대패드 Bedspread With Elastic Band Mattress Cover (no Pillowcase) Double Queen Bed Sheets
Aliexpress UK
bed with headboard 4 storage drawers used as guest bed only very good condition mattress very clean
eBay
Corner Sofa Bedside Table Mobile Mini Bedside Coffee Table Living Room Storage Household Bedside Balcony Small Table
Aliexpress UK
This product is a stylish and contemporary double bed, perfect for adults in a bedroom setting. The bed features a solid pattern with a medium firmness level and is upholstered in fabric material. It does not require any additional parts or assembly, making it a convenient and hassle-free choice for those looking for a comfortable and affordable sleep solution. Please note that a mattress is not included, as it is a separate purchase that can be tailored to personal preferences. As good as new.
eBay
Nordic Silk Bedding Set with Duvet Cover Bed Sheet Pillowcase Luxury Couple Single Double Summer 1/2 People Solid Bedsheet
Aliexpress UK