Amazon.com : SUPHOUSE 100 Birthday Cards Bulk Boxed Set, 25 Assortment Happy Birthday Greeting Cards with Envelopes and Seals, 4 x 6 inches Blank on the Inside : Office Products
Amazon.com: 100 Happy Birthday Cards Bulk, Large 5x7 Inch Assorted, with Envelopes,Stickers and Simple Greetings Inside, 10 Unique Designs, Thick Card Stock Box Set : Home & Kitchen