Size: 3FT / 4FT / 4FT6/ 5FT. 4FT Small Double (W 120cm X L 190cm). 5FT Kingsize (W 150cm X L 200cm). Edge-to-Edge Support: Enjoy the full surface area of your mattress with our edge-to-edge spring support system, which prevents sagging and ensures consistent comfort from the center to the very edge of the bed.
eBay