Mailer ships or stores one CD or one 3.5" disk. Perforated flap tears away to create an index tab for filing. Heavy-duty paperboard construction keeps discs safe. This product was made from wood sourced from a certified managed forest. Envelope Size: 6 x 5 7/8; Envelope/Mailer Type: Multimedia; Closure: Perforated Flap; Security Tinted: No.