Professional eye protection: The goggles protect your eyes from laser light. And also offers a privacy screen built into the sides. It is essential, more comprehensive and safer to protect your eyes. Adjustable glasses temples: The length of the glasses arms is adjustable for 4 modes by about 2cm, easily find the right position to wear, without slipping. Widely used glasses: please put on these glasses first to protect your eyes from the wounds. Before using these machines with laser light, for example: laser epilator, HPL/IPL beauty machines, pulsed light epilator, laser engraver...and so on. Laser glasses are fit well and close your face, even if they are very dark, you still see everything you are doing with ease. Not only can they protect your eyes, but they won't affect your vision. Lightweight and Portable: Made from high quality PC materials. The package contains green glasses and 1Pcs glasses strap. Product size: 14*5cm . Shipping quantity: 1 piece.