If you're looking for the perfect way to make someone's birthday a little more special, look no further than these cards nd envelopes! These cards are made from high quality cardstock so you can be assured that you're getting the best of the best. This particular set features a Happy Birthday Balloons design on the outside and a blank interior, so you can personalize a special message on the inside. The sets come with 25 cards and also 25 matching envelopes, so you won't be scrambling to find something that works.Details:Multicolor5.625" x 7.875"25 cards and envelopesBlank inside100 lb. cardstock