The inner covering ultrasonic spot welding is selected, and the ear belt can be firm and not easy to fall. It can be applied to electronic manufacturing, dust-free workshop, catering service, food processing, school, motorcycle riding, spray processing, stamping hardware, health center, handicraft industry, hospital, beauty, pharmaceutical, factory, environmental cleaning
Normal weight: 20 + 20 + 20g/ 25 + 20 + 20g/ 30 + 20 + 20g
The packing method is 50 pieces / box