Size: 2x3.5 in, 50 pieces These little thank-you cards are 2 x 3.5 inches, so they fit in any package. But when your customer opens the box, they'll notice the card right away; it's a nice little surprise that makes unboxing more fun. Whether you run an online store, a boutique, or sell handmade items, these cards come in handy. Toss one in a shipping package or hand it out at checkout. It can build a stronger connection with your customers.