4 1/4" x 5 1/2" Heavyweight Blank White Greeting Card Sets - 40 Cards & Envelopes - Desktop Publishing Supplies, Inc.&trade; Brand 40 Blank Greeting Cards & 40 Envelopes Heavyweight White Matte Cardstock Compatible with Inkjet & Laser Printers Includes Square Flap A2 Envelopes Cards & Envelopes are Completely Blank