JAM Paper A7 Invitation Envelopes are ideal for standard sized 5" x 7" invitations and greeting cards! These envelopes are made out of 28lb, high quality paper and feature straight flaps with reliable gum closures. Fantastic for professional and personal mailing needs of many kinds, these fashionable booklet style envelopes stand out and appeal to several audiences. Use these versatile envelopes to send our invitations to showers, parties, reunions, ceremonies, and more.Details:Available in assorted colorsA7 size (5.25" x 7.25")28 lb. paper50 envelopesBooklet openingGum closures