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: 22mm 7. Applicable wrist circumference: 160-220mm 8. Note: The host is not included.