Greeting Card "Twin Lakes" Twin Lakes Greeting Card 5x7" Purchase single cards, packs of 10, or packs of 25. Our greeting cards are 5" x 7" and are produced on digital offset printers using 100 lb. paper stock. Each card is coated with a UV protectant on the outside surface which produces a semi-gloss finish. The inside of each card has a matte white finish. Each greeting card includes a white envelope for mailing and gift-giving. Our custom greeting cards are produced using archival inks which are guaranteed to last 75 years without fading or loss of color. Your greeting cards will be ready to ship within 2 - 3 business days after you place your order. (description exceeds maximum possible length)