- Choose the offers or codes you want by clicking "Access code" or"Get deal". - Afterward a popup will probably be and you'll be contributed into the site of GB Posters. - Find the goods of GB Posters and decide on the items you need. Add the services and products to your own shopping basket. - Subsequently go to get a payment. Submit a voucher into box and click "check out" - click on"Apply" and you also can get the reductions that is revealed in your Purchase - Finish the payment practice.