[Transparent Eye Protection] for safety concern, the red light glasses do not completely blackout; it does block all the strong wavelength lights that cause injury to eyes while at the same time leave the vision for users to see surroundings, which is safer. It is not total blocking which makes the promised safe use safer.

[Effective Protection Goggles] the red light therapy glasses are designed with small eye cups to ensure maximum light treatment exposure without endangering eyesight; the bridge connecting material is soft flexible and designed high enough for the comfortable use of high nose bridge.

[Sturdy Protective Goggles] the safety goggles are made of polycarbonate material which features to be recycled, flexible soft and durable in use; the eye protection glasses for red light therapy has adjustable string to meet all the needs of different face sizes and also guarantee a better seal to avoid light leakage by tightening the buckle accordingly.

[Recommended Use] the safety glasses are highly recommended in light therapy or tanning use considering that it has smaller blocking patches (larger treated area exposure); plus it is supposed to work on laser, IPL, or UV lights but it is not recommended for that because larger protective patches may work better.

[Package of Two Pairs] 2 pairs of transparent goggles in 2 separate storage boxes. Maybe one for gym red light booth use and the other for home use. Just great to have a backup.