Come and see our amazing products. This USB is made of silicone. It is perfect for those times when you are pocketless and need your hands free. It is designed to fit wrist and comes in a variety of colors. The drive is encased in a raised area reminiscent of a watch. Capacities, logos, or patterns can be customized as you want. Great for school, tradeshow, corporate, etc. The price includes the shipping cost to ca, QTY over 10000pcs by ocean. The prices include 4G capacity, if you need other capacity, pls email us for price. Pls confirm further with us if any query about packing info, inventory status and time schedule.