7100078989 is a pair of safety spectacles manufactured by 3M. The spectacles come with a transparent lens, which provides protection against dust, winds, and other particles that could harm the user's eyes. The lenses are made from a special polycarbonate material that is resistant to impacts and offers UV protection. The frames are made of polypropylene, a lightweight material that is durable and flexible. The spectacles also feature an adjustable bridge and brow guard.