Postage stamps that USPS currently offers for 1-ounce envelopes. Typically, a 1-ounce envelope includes a save-the-date card, a reply card, or an invitation card with a reply card in 118# stock or handmade paper. Thicker paper such as 236# may require more postage. Please contact us if you have questions regarding postage. This item includes assembly and must be purchased with invitations or save-the-dates.