JAM Paper & Envelope's Blank Congratulations Card Sets are a great way send congrats messages to friends and family all year long! These cards are made from smooth 65 lb cardstock and come with matching envelopes. Our Congratulations cards are available in multiple designs, and are blank on the inside with adequate space to write your own personal messages! So add some personal flair to your next congratulatory wishes with JAM Paper's Blank Congrats Card Sets! All packs come with 25 blank (on the inside) cards and 25 matching envelopes.