Come and see our amazing products. The mutlifunction wristband is made of silicon. It is not only a fitness wristband for walking and running, but also a step counter and calorie counter. The function includes step tracker, distance & calorie counter, real time display ( 12 and 24 hours System). It is lightweight, portable and durable. The price includes the shipping cost to ca, QTY for 10K and over by ocean. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.