The interior of this Designer Greetings birthday card design reads: Because it's the perfect chance to tell you what's always true - I feel lucky to have you for my sister, and I treasure the special times we've shared and those still to come. Happy Birthday. The card measures 5.25x7.5 inches and is printed on heavy cardstock. Includes 1 card and 1 envelope. The card has the following special features: blue foil, embossed, insert, full color interior.