Darice Heavyweight Kraft A2 Cards/Envelopes (25 Pack), 4.375 x 5.75 Cards and envelopes are perfect for invitations, handmade cards, notes, and more Each a2 sized card measures 4.25 By 5.5 Inches Brown Kraft envelopes measuring 4.375 By 5.75 Each 25 card and envelope sets per package