UPGRADED：Unlike the marketing 4 holes in 12mm side shields, upgraded safety glasses side shield has only 2 holes in 12mm, fewer but bigger than before. No get stuck, firmly fixed and won't slip.
EASY TO USE：With 2 holes in 12mm, safety side shields fit for most size glasses that temples width is about ~12 mm, much easier to pass through your glass legs without installing parts or tools.
SOFT MATERIAL：Made of flexible TPU polyurethane, soft side guards for glasses are non-toxic, friendly to humans.They will provide the softest care for your eyes and don't obstruct your vision.
FUNCTIONS：Side safety shields protect your eyes from wind and blown particles, minimize injuries from them. Very suitable for wearing outdoors and science experiments.
ATTENTION：Each pair eye protection glasses side shields have the signs "R" and "L", please pay attention to it.