StoreSMART - Flash Drive Zipper Case for 3-Ring Binders - 50-Pack - Vinyl Plastic - R1831-FLASH50 Crafted of crystal clear 8-gauge vinyl. Red resealable zipper keeps drives in, and dirt out. Two holes for use with three-ring binders. Overall size: 3 5/8" x 5 ". Inside capacity: 2 1/8" x 5 1/8". Crafted of crystal clear 8-gauge vinyl.O pens on the short side. Resealable zipper keeps drives in, and dirt out.T wo holes for use with three-ring binders.O verall size: 3 58&#034; x 5 &#034;. I nside capacity: 2 18&#034; x 5 18&#034;. P roudly manufactured in the USA. <span class="a-text-bold">Students</span>: Need to give a presentation? Working  on an important paper? Keep your PowerPoint presentation or research  right in your subject binder. <span class="a-text-bold">Businesses: </span>Need  to attach a power cord, CD/DVD, or flash drive to a shelf, lock, or  piece of equipment? These pockets don&#039;t just work with 3-ring  bindersyou can also attach them to anything you like with zip ties. <span class="a-text-bold">Marketers</span>:  Pass out a copy of your business card along with a flash drive  containing an informative slideshow or a digital sample of your goods.  These pockets are also perfect for writers and artists looking to pass  out free promotional material.