Handmade Printable White Silk Paper Envelopes with Silver and Silk Threads. Set of 50, 8.75"x4.25". These handmade paper envelopes are made from beautiful handmade white silk paper with silver 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.