Product Description Specifications PU Leather cover with magnetic closure and premium split-ring. Grade A memory, ten-year data retention warranty, one-year replacement warranty on faulty manufacture. Material: PU Leather. Product Size: 100 x 20 x 15 mm Branding Area: 30 x 13 mm (pad print, laser engrave), 45 x 12 mm (pad print or debossed on the strap) Standard Packaging: Tissue Wrap Certification: CE, FCC, USB2.0, RoHS Data Upload: Free Data upload to 150MB on all indent orders. Notification: USB 2.0 has an average read-write speed of 480 MBPS (megabytes per second), while USB 3.0 transfer speed is 4800 MBPS, 10 times faster. If you have high capacity data files, videos & very high-resolution images, you may need a faster flash drive. If Standard Accessories: Large Split-ring Material: Synthetic