QR codes are a fabulous way to direct customers to your website/ Etsy accounts without then even having to type your details in. X18 QR code stickers Size 4cm x 4.8cm Made on Matte Sticker paper which is all recyclable apart from the yellow backing paper. Once your order has been placed send us a email to Erae_crafts@outlook.com and state where you would like the QR code to take your customers to, a proof will be sent for you to approve before they are made.