Playful Type Birthday Greeting Cards Value Pack - Set of 20 (10 designs), Large 5" x 7", Happy Birthday Cards with Sentiments Inside Birthday Card Pack - Set of 20 Great Price! Set of 20; 10 designs (2 of each design) & envelopes Quality stock, full color design, large 5X7" cards with envelopes. Sentiments printed inside - see sample sentiments below. Always have a perfect birthday card on hand.