This pack of 48 assorted birthday cards with envelopes will bring you the hassle to the store. Our blank greeting card assortment features 6 different designs with decorative retro prints and text on the front that reads "Happy Birthday". Each greeting card measures 4 x 6 inches with a blank inside to ensure you have more than enough space to send personalized, handwritten messages to your friends and family. You can also use the box of birthday cards for professional purposes at work, in the office or in the classroom to distribute to students. Make sure you have plenty of greeting cards on hand for occasions.