... : 1GB - 32GB 3.Certificate: SGS/FDA/ROHS Pencil Shaped USB Flash Drive (Rubber) USB Flash DriveMaterial100% high quality silicon material, Eco-friendly, harmless, non-toxic, non-corrosiveness ... also can be customized sizeUsageAdvertising and business promotion gift, suitable for all peopleDesignCustom-made design, color, size, logoTechniquePrinted, debossed, embossed logos ...