SG-234 / Longdar (Taiwan)
- Glass frames made of PVC plastic
- Transparent Polycarbonate lenses are highly impact-resistant and scratch-resistant
- Prevents dust, hard pieces, and liquid chemicals from splashing from all sides
- Beneath the glasses frame there are indirect vents for ventilation.
- Meets ANSI Z87.1 standard

SG-271 / Longdar (Taiwan)
- Glass frames made of PVC plastic
- Seamless glasses with curved structure help wide viewing range, made of transparent Polycarbonate with high impact and scratch resistance
- Prevents dust, hard pieces, and liquid chemicals from splashing from all sides
- Beneath the glasses frame there are indirect vents for ventilation.

SG-232 / Longdar (Taiwan)
- Glass frames made of PVC plastic
- Transparent Polycarbonate lenses are highly impact-resistant and scratch-resistant
- Prevents dust, hard pieces, and liquid chemicals from splashing from all sides
- Beneath the glasses frame there are indirect vents for ventilation.
- Meets ANSI Z87.1: 2010 standards