DUBERYClassic Polarized Sunglasses for Men Women Retro 100% UV Protection Driving Sun Glasses D731

Why do 2 pairs of sunglasses only come with 1 bag?

Is it possible to purchased replacement lenses?

Do you have a recommended way to swap lenses without damaging the frame?

is frame with 145? how is this possible when lens frame width is 56 and bridge is 15???? (56+56+15 = 130 MM )