2013 hot sell promotional silicone bracelet usb flash drive 1.100% high quality Eco-friendly silicone. 2.passed ROHS, SGS 2013 hot sell promotional silicone bracelet usb flash drive specifications1 Material: 100% high quality food-grade silicone, eco-friendly non-toxic harmless to health .Green material2 Any PANTONE COLOR can available.3, Any kinds and any size, welcome customize by you picture, ...