Oh....hello Letterbox Decal Oh....hello Letterbox Decal Oh....hello! Letter Box Vinyl Sticker £2.50 Quantity: at £2.50 each Add To Basket 10 in stock. Oh....hello letterbox vinyl decalWelcome you visitors or my personal favourite, the postman! with this cute vinyl decal sticker for your letterbox.The decal measures 5 x 18cm which will fit most standard letterboxes but please do measure yours to make sure. I am able to change the size so do let me know if you require a different size.Decal comes in either black, white or rose gold and will be supplied on transfer paper with instructions for you to easily apply at home.Made from a waterproof vinyl so is safe in this pretty unpredictable British weather!