Package size shipments will ship via United Parcel Service – ground service unless otherwise directed. Most shipments will ship within one business day. Orders placed on the weekend or on a holiday will ship the first following business day. We strive to fill all orders on a timely basis. If a product is on back-order we will contact you and notify you of our expected ship date. Large or heavy shipments will ship via LTL – standard service. Please note – we do not ship to PO Boxes.