https://www.bunkbedsstore.uk/p....roducts/umi-double-m
The Benefits of a Pocket Spring Double Mattress A double mattress with sprung pocket is made up of springs that are individually enclosed that are each individually shaped to your body's shape for precise support. They also limit motion transfer when sharing the bed. The number of springs (from 1000 to 2000 per Kingsize) is not as important as the tension of springs and natural fillings. Comfort A pocket sprung mattress uses hundreds, or even thousands, of tiny springs which are wrapped in pockets of