Seal it and send it with sophistication. Envelopes stay securely fastened in the mail with these Metallic Mailing Seals. Affix them to ensure your mail stays closed and looking sharp until it reaches its final destination. Handwrite or print. Customize with free templates available online and then print with your inkjet printer. They're perfect for adding your own personal touch to all your mailings. Each sheet has 15 labels.