These envelopes are an excellent choice for all your mailing needs. From sending out invitations, thank you cards, and even business correspondence, these natural white square envelopes cater to fit any occasion. However you use, our high quality envelopes provide versatility and style. Each has a square opening, straight flap, gum closure, smooth finish, and is made from high quality paper.Details:Available in multiple countsNatural white6.5" x 6.5"24 lb. (90 gsm)Paper