1.materail: PP 2.view area:108X50mm 3. hand-hold design , 4.easy for welding 5.OEM JINHUA HENGFA INDUSTRY AND TRADE CO ... Our main products include: Safety Glasses, Safety Goggle, Welding Goggle, Safety Helmet, Welding Mask, Dust Mask, Respirator, Earmuff & Earplug etc, ... and head from hurt by spark5.adapt for welding,cutting,gas cutting .etc6. hand-hold design , perfect in workmanship7. view area ...