The sample we provide is the model with 128MB memory, you can customize the storage size of U disk according to your needs. Any one of the prices are very affordable! The integrated sliding cover on the slider/swivel USB flash drives means you never have to worry about losing the cap! With the all-in-one design, you can slide these drives open with one hand to quickly and access your data easily. Give them the power of the swivel with these unique USB swivel flash drives. Customizing your own LOGO on it will make him welcome. The price includes shipping cost to ca. Thanks for your inquiry.