Quality Park CD/DVD Media Mailers are made of extra rigid fiberboard to protect your valuable data in transit. Strong stay flat fiberboard envelopes prevent bending, scratching and dust from damaging discs. A foam liner cushion gives extra protection from breakage. Envelopes are 5-1/8" x 5" and are large enough to fit several discs. Ship media naked or in paper sleeves. Features a Flap-Stik self sealing closure with pull tab. Flap-stik envelopes are a timely update for concerns about surface germs. Skip the yuck, stay safe and save time without sacrificing a durable closure. Just peel and press firmly for a strong, reliable seal. Easy to write on with a smudge-resistant pen or permanent marker. An affordable option over bigger, bulkier boxes. 25 Per pack.