These A2 notecards measure 4.25" x 5.25" when folded and are crafted from 100% recycled paper. They're perfect for hand-lettering, stamping, paper crafting, screen printing, and more. Each set includes 25 folded notecards (270 GSM) and 25 envelopes (105 GSM). The high-quality card stock gives them a premium appearance, and the sturdy envelopes ensure your messages are delivered securely and in great shape.