1. Material: stainless steel.2. Features: wear resistance, high temperature resistance, no deformation, non-toxic, odorless, no side effects on the human body, long service life, etc.3. Advantages: Long service life, no skin irritation, etc.4. Uses: suitable for parties, festivals, promotional activities, suitable for people of all ages.5. Easy assembly without tools, perfect fit, no gaps.6. Strap width: 22mm7. Wrist circumference: 160-220mm8. Note: The host is not included.