ROYAL Sundance FIBER A7 EnvelopesSundance Royal Fiber A7 Invitation Envelopes Raise the level of your 5x7 invitation project when you use envelopes enhanced with fibers or flecks. These earthy A7 envelopes add a soft down to earth feel to your invitations and cards. These discount fiber envelopes measure 5. 25x7. 25 and will perfectly hold a 5x7 announcement, invitation or card. Envelopes in quantities of 250 Envelopes generally ship within 2 days. Envelopes in quantities of 1000 may