The bracelet is consists of 3 layers which are a reflective rope, a braid and a ball chain.
A dot patterned rope and a chain ornaments reflect the car light and a camera flash!
A clasp part is a magnet, so it's easy to attach and remove.
There is a chain for fall prevention, so it won't fall from your wrist easily.
Size: About 180 mm of circumference (recommended for around the wrist about 140mm～)
The maximum length which opened a clasp part and a chain for fall prevention: About 220 mm