Pocket Essentials 1000 Silentnight. A pocket sprung mattress at a sensible price. 1000 individually incased springs make up the system for great body moulding support. Specifically designed to maximise pressure relief through spreading your bodyweight across the mattress. The cover is high density stretch fabric which is soft to the touch and, more importantly, it's breathable. 5 year guarantee. So buy this Pocket Essentials 1000 Silentnight Now £149.00.