A4 Envelopes (4 1/4 x 6 1/4) in 24lb. Bright White are a versatile, light-weight, square flap envelope with a smooth finish. The A4 envelope size is a great invitation envelope and perfect for RSVP cards, announcements, notes, 4" x 6" photos and more. A4 Envelopes are commonly called 4x6 Envelopes because they are the best envelope for 4 x 6 cards. For social and invitation purposes, the A4 is also a great reply envelope as it easily fits inside A6, A7, A8, A9 and A10 size envelopes. Sealed by the moistenable glue strip on the back flap. Available plain or printed for customization, branding and creative uses, starting in small quantities of 50 to large quantities of 50,000 and more.
