StoreSMART - USB Flash Drive/Memory Cards & Business Card Holders 25-Pack - Zip-Top and Hang Hole - Open Short Side (R3578ZIPS-FLASH-25) Crafted of crystal clear 8-gauge vinyl. Opens on the short side. Resealable zipper keeps drives in, and dirt out. Single metal grommet allows you to secure pocket using multiple methods. Overall size: 2 7/8" x 5 3/8". Inside capacity: 2 1/2" x 3 7/8".