Enfain 16GB Key Thumb Drive - 10 Pack -blue Pack of 10 Key Shaped USB Flash Drive 0.1" thin. Capless. Keyring Hole. Plug & Play Compatible with USB2.0.Supports Win7/Vista/XP/2000/ME/NT/98,Linux,Mac OS Available in 128MB,256MB,512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB. Available in Silver, Black, Blue, Green, Pink, Purple, Red, Dark Blue, Gold colors 100% MANUFACTURER'S WARRANTY: We Stand behind Our Products with a Complete, LIFETIEM Guarantee. If Something Breaks or if You don't Absolutely Love Your Enfain USB Flash Drive, We will Take it Back and Offer a Replacement or Refund, NO Questions Asked. That is Part of Our 100% LIFETIME CUSTOMER SATISFACTION GUARANTEE