Durable construction The soft plastic is ultra-lightweight, only 45 grams(0.099lb), no pressure for long time wear and ensures maximum comfort. Red lens Help you easy to see a red laser line or a red laser dot when working over long distances and in unfavorable bright-light conditions.Stop more than 90% strong light damage. The eyewear is designed to protect your eyes when using LED/teeth whitening curing lights. Comfortable alternative for eyes' protection. Wide scope of application : Medical Dental Protective Safety Goggle for Dentist, Hygienist, Assistant, Patients, Lab personnel. Dental Lab Safety Glasses - Lightweight and Comfortable Design Breathable glasses flanks help to dissipate heat and avoid uncomfortable sweating caused by wearing for a long time. Ergonomic design brings a good sense of experience to the wearer. The hole design which is convenient to carry and prevent loss. One-size-fits-all. Dental Lab Safety Glasses - Polycarbonate Lenses The glasses is designed to protect your eyes when using LED/ultraviolet curing lights The glasses is designed to protect your eyes when using LED/ultraviolet curing lights. Protective eyewear with anti-fog coating technology, maintain clear field of vision from the external environment. Wrap-around design fits snugly to protect you from flying debris, dust, airborne particles and chemical splashes.