If you're looking for the perfect way to make someone's birthday a little more special, look no further than Jam Paper blank birthday card sets these cards are made from high quality, 110 lbs cardstock, so you can be assured that you're getting the best of the best. This particular set is assorted, so it features various birthday designs on the outside and a blank interior, so you can personalize a special message on the inside. This assorted set comes with 50 cards with 10 different designs and also 50 matching envelopes, so you won't be scrambling to find something that works.