Birthday Cards with Envelopes, Assorted 24 Birthday Greeting Cards 4 x 6 inches, Happy Birthday Cards with Envelopes & Matching Stickers, for Particular Age

This package includes 24 birthday cards, 24 white envelopes, and 24 envelope stickers, all stored in a sturdy box. Cards are designed for specific ages and general use, with unique front patterns and personalized messages on the back.

• The description claims that the cards are made of thick, sturdy paper.