Twister USB 16GB USB flash drive with a key ring. For your convenience, plain orders are delivered with separate gift boxes. USB version is 2.0, write speed is over 2.92 MB/s and read speed is over 9.76 MB/s. Material: Plastic, Aluminium. Size: 58mm x 19mm x 10mm. Colours: White, Red, Royal Blue, Lime, Black. GB Size: 16GB, other sizes available. Print Method: Full Colour Doming, Laser Engraving, Pad Print, Screen Print. Print Area: Full Colour Doming 41mm x 16mm, Laser Engraving 23mm x 12mm, Pad Print 25mm x 12mm, Screen Print 23mm x 12mm. Production Time: 10 Working Days.