Sage Green 4x6 envelopes: These invitation envelopes feature elegant green colors; the A4 contour flap envelopes are perfect for your social and invitation purposes High quality: Made of 120 gsm superior paper with outstanding durability and sealing and it won't easily tear in transit Convenience to use: Wipe a little water to wet the sealing area of envelope, fold sealant and hold it for a minute. More environmentally friendly than Self-seal envelopes Multi-use occasion: These envelopes are perfect for mailing birthday cards or greeting cards, birthday party, baby shower, fundraiser or weddings invitations, letters, save the 4x6 date cards & photos These greeting card envelopes measure 4.5x6.4 inches, slightly larger than the standard A4 size, providing enough space for your invitations use These 4x6 invitation card envelopes are ideal for your social and invitation purposes. Ideal for weddings, birthdays, baby showers, graduations and all sorts of party invitation cards. This multifunctional envelopes with a secure, moistenable V-flap, slightly larger than the standard A4 size, providing enough space for your invitations use