Rectangle shape flip up clip on sunglasses. This style comes in gray lenses, amber driving lenses and polarized lenses. All lenses are rated UV400 protection.

Available Rectangle Flip Up Sizes 

One Lens 52mm Width x 34mm Height
Total Width 120mm x 34mm Height

One Lens 58mm Width x 35mm Height
Total Width 125mm x 35mm Height

One Lens 60mm Width x 36mm Height
Total Width 130mm x 36mm Height

If you need more help learning how to measure your prescription glasses to find the correct clip-on sunglasses, please visit this link  "Clip-on Sunglasses Sizing Help"