Handmade Printable White Silk Paper Card and Envelopes. Set of 25, 5.5″x4.25″. These handmade paper card (blank) and envelopes are made from beautiful handmade white silk paper and silk threads. Envelopes have natural deckled edges. The feel and look of the handmade paper is absolutely unique and natural. Use them for any of your special occasions like weddings, stationery, note cards, thank you cards or any other of your favorite special occasions or events.