A6 (4 3/4 x 6 1/2) Rain Genesis Recycled Envelopes - 25 envelopes per pack Rain A6 (4 3/4 x 6 1/2) 25 envelopes per pack Perfect for Greeting Cards, Invitations, Weddings or any announcement. Available in A2, A6, A7, A8, A10, #10, 7 1/2 x 7 1/2, 9 1/2 x 12 5/8, 9x12 Folder, 28lb paper, & 80lb cover.