Antistatic Fiberboard Disk MailerSturdy fiberboard construction prevents damage due to bending, moisture and abrasion. Inner antistatic coating protects diskettes and other media. Features a convenient self-adhesive closure and Redi-Strip™ tear strip flap. Holds three 3.5" diskettes or one CD/DVD with jewel case. Envelope Size: 6 x 8 5/8; Envelope/Mailer Type: Multimedia; Closure: Self-Adhesive.