These sets of paper cards from Rico Design offer numerous usage and design options, including greeting cards and invitations. Each set contains cards and envelopes with a practical storage box. The A7 Cards measure 4.1" x 2.9" folded and the envelopes are 4.5" x 3.2". The B6 Cards measure 6.7" x 4.75" folded and the envelopes are 6.9" x 4.9"Have fun customizing your card and envelope as desired, Each set contains cards and envelopes, Comes in a a practical storage box, Made of 30% recycled paper, Create a fun card for any occasion, Comes in a variety of colors