Photographer's Edge, Photo Insert Card Sample Pack, 10 Brt White w/Double Border Cards for 4x6 Photo Patented Photo Insert Card for landscape(Horizontal) & portrait(Vertical) photos 1 card each of our 10 different double border ink colors 10 matching Bright White envelopes included Blank inside, window opening is 3-5/8 Made in the U.S.A. with recycled paper and printed with soybean based inks