Durable USB Pen Drive Silicone Cover Strap 1, material:100% silicone ... temperature resistant, climateproof, impermeable, heat conduction, flexible but indeformable, washable, durable, long-life, insulating, radio resistant, good touch feeling, dust-proof ... kinds of USB Pen DrivePacking Method: inside packing(1pcs/opp), outside packing(standard exporting carton box);any custom packing can be ...