Digital Tattoo for Moto X offered in packs of ten

Digital Tattoo for Moto X offered in packs of ten: "Worn on the wrist, the tattoo is used to unlock the smartphone user's Moto X. The product is a disposable that can last for five days. The lifetime is approximately five days but may vary with skin type and activity level. Then the tattoo is replaced with another. The company described the item as a nickel-sized, thin adhesive device; they are using medical-grade adhesives from 3M, blending in on the wrist."