QR code (abbreviated from Quick Response Code) is a type of matrix barcode (or two-dimensional barcode). A QR code consists of black modules (square dots) arranged in a square grid on a white background. Data from QR code is extracted from patterns present in both horizontal and vertical components of the image.Cusomize this product by adding your own QR code. This is a template for adding user-generated QR codes. Perfect product for QRcode lovers and many more!