2.5g open coil sprung unit latex matress with a damask border, underside insulator and micro-quilt knitted panel.48 HOUR EXPRESS DELIVERY MATTRESSES: 48 hour service will be guaranteed for orders between Monday & Thursday before 6pm. Unfortunately, we cannot guarantee 48 hour delivery for orders placed after this time. Please note, you must already be an account holder with us and have available credit on your account to guarantee 48 hour delivery. Please note, 48 hour delivery cannot be guaranteed for any offshore addresses. Unfortunately, we cannot deliver this item to the Channel Islands.