The Mute Swan Card A6 Greeting Card £2.50 Quantity: at £2.50 each Add To Basket A high quality A6 silk finish greeting card. Left blank inside. It comes with a 100% recycled kraft envelope in a corn/potato starch sleeve which is fully biodegradable. A6 size - 105 x 148 mm It will be posted to you in a board backed envelope with Royal Mail. .