1. Beautiful ball-holding cap style, liner PP/ABS material through impact, high-strength cap shell anti-smash shock absorption using high-strength materials, enlarged and deepened top groove reinforcement ribs, polyester material, metal buckle, adjustable and removable chin strap.
2. Tested removable chin strap, easy to fix and not fall off
3. Light weight, only 3/4 of the weight of mineral water, light and anti-collision
4. Provide personalized printing
5. Application: Mechanical processing, automobile manufacturing, urban rail transit, elevator maintenance and many other industries