... embossed, printing. etc. Standard, international colors are available;Featuressilicone USB case makes the USB more nice, fashion, exquisite, keep from scratching, Nm treatment ... , soft feeling, durable and tensile of its physical characteristic, 100%silicone,heat-resisting, cold-resisting.QualityISO, SGS, ROHS, REACH, LFGB, ... sample Product No. we will prepare the sample Novelty silicone USB cover