You're looking at zazzle.co.uk's geeky postcard page, where you can find a fantastic range of geeky postcards, ready for customisation or to buy just as they are. Make your message extra special by customising your geeky postcards with your own unique designs, photos and text. Zazzle's horizontal postcards are 10.8 cm x 14.2 cm and can be printed on both sides of glossy, extra-heavyweight card stock. To see some of the other products available on zazzle.co.uk, check out our main geeky page. No minimum order size and most postcards are made within 24 hours.