Usbkingdom 32GB USB 2.0 Flash Drive Metal Machete Knife Shape with Keychain Waterproof Pen Drive Thumb Drive Memory Stick Pendrive Jump Drive Metal retro knife model USB flash drive with key chain,2.35*1.18 inch,real capacity,perfect gift to your friends or families Metal material,incredible durability,has a function of waterproof,shock-resistant,prevent high temperature and dust resistance With key chain,easily attach to keychain, briefcase, purse, backpack,etc.,make it available all the time Plug and play;Read and write in Fast speed;Store and transfer photos, videos, songs and other files between pc computers Support most computers operating system:Windows 10/8/7/Vista/XP/ME/2000/ Mac OS X / Linux 2.6x and more