Color: Sage Green A4 Envelopes, 120 GSM - 32lb Bond/80lb Text paper. (Due to the light and the reasons for the phone and the computer monitor, the color will lighter or darker than the real color) A4 Envelope Size: 4 1/4 x 6 1/8"/160 mm x 110 mm. Can comfortably hold 4x6" Engagement Invites, Weddings Invitation, Birthday Party, Baby shower, Holiday, Corporate Gathering, Graduations and all sorts of Party Invitation Cards Package included: 50 pieces Sage Green luxury envelopes + 50 Gold Seals How to use: Envelopes can be sealed by the moistenable glue strip on the back flap. The contour envelope is the perfect invitation envelope and is also very suitable for mailing. They are the best envelopes for 4x6" cards, announcements, invitation cards and engagement invites and etc. The A4 is a great reply envelope as it easily fits inside A6, A7, A8, A9 and A10 size envelopes. a4 envelopes natural a4 envelopes self seal a4 envelopes bulk a4 envelopes for invitations a4 envelopes gold A4 Envelopes 4 x 6 envelopes for invitations 4 1/4 x 6 1/4" envelopes for invitation A4 envelopes colored