Back Ordered, means the item is not located in our warehouse, and also, is not In Stock at our main Distribution Center. It may take longer than 3 weeks for us to receive this item at our warehouse. When received at our warehouse, it will then be immediately shipped to you. The Shipping and Handling fee you paid on your invoice will take care of this additional shipment. You will not incur any additional charges for Back Ordered items! Thank you for your patience.