Calls are Free From Most BT Landlines Depending on the Time of Day. ORDERS PLACED BY 2PM WILL BE DISPATCHED ON THE SAME DAY. YOU ARE PURCHASING 200 x HIGH GRADE SINGLE WALL PACKING BOXES, SIZE 18x12x7 (457x305x177mm) All measurements are length x width x height. Flat-Pack S/W 18″x12″x7 Boxes HIGH GRADE. (SEE MAP BELOW – ZONES A&B). Collection is available from our 60,000 sq ft warehouse in Hayes, Middlesex. Our aim is to keep our customers 100% happy.