Minidot Polarized sunglasses clip Reduce Glare Flip Up sunglasses clip plastic frame Composite lens polarized Lens width: 58mm Lens height: 38mm Bridge: 22mm Attaches onto existing prescription or fashion glasses, Great for those who already have a pair of prescription glasses and do not want to spend more for a pair of prescription sunglasses. Multi-use: apply to car driving, leisure, ski mountaineering, running and other outdoor sports. Lightweight and scratch resistant. Multi-season: Four Seasons General, UV glare, protect eyesight clear vision, wind, effectively reduce light stimulation and injury Night Style - Yellow lenses: can stop the vehicle and absorb ultraviolet light, blue light, reduce the other light intensity lights, clear vision