EMAIL DELIVERY. If you purchase this item you’ll receive an email straight away containing your UPC Barcode numbers, Barcode images (in 4 different formats: jpeg, png, svg, & pdf), barcode registration and a guarantee certificate stating that you are the sole legal owner of the barcode numbers. NB: UPC Barcodes are suitable if your products are mainly going to be sold in the USA. If your products are being sold in Tanzania, or internationally, then please order “EAN-13 barcode packages” instead.