The A6 Invitation Envelope (4 3/4 x 6 1/2) in 80lb. Ruby Red is a deep, rich red colored envelope with a smooth finish. Featuring an elegant square back flap, this envelope is ideal for invitations, social mailings, holiday cards, greeting cards and more. The A6 envelope is easily sealed by a Peel & Press strip located on the back flap, and its dimensions make it the ideal 4" x 6" photo envelope. For social and invitation purposes, the A6 is also an ideal large reply envelope size as it easily fits inside A7, A8, A9 and A10 size envelopes. Available plain or printed for customization, branding and creative uses, starting in small quantities of 50 to large quantities of 50,000 and more.