You’re imagining party balloons, friends and family arriving at your house, and you’re planning the refreshments you’re going to provide for them. But you have to invite them first! Fill-in cards are quick and easy, an entertaining, economical solution to the invitation question. Pool Party cards: are 5x7", the same size as greeting cards are printed in bright, full color on the front and they come in a set of 24 with envelopes. Light weight option is printed on 80# Cover paper stock and heavy weight option is printed on 120# Cover paper stock. All you have to do is fill in the fun!