An open coil spring is a type of coil spring made from a single wire coiled into a helical shape. Open coil mattresses are known for their affordability, durability, and ability to provide a medium-firm level of support. They also tend to be lighter and easier to manoeuvre than other mattresses. Breasley is the leading manufacturer of vacuum-packed mattresses in the UK. Constant innovation and high-quality standards have given this company a reputable position in the mattress industry. Breasley mattresses are now in stock for next-day delivery.