Seal it, send it and smile. Flyers, newsletters, brochures and more stay securely fastened in the mail with these mailing seals. Affix the seals to the edge of the pages, and the permanent adhesive keeps mailings from unfolding while in transit. Sealing is the smart way to ensure safe mailing so you can smile without worry. Quickly remove the seals from the backing. Handwrite your message on the 1" diameter. Each sheet includes 15 labels.