B has excellent strength, anti-fatigue properties and environmental corrosion resistance, high shape and plasticity, more lightweight, is a new generation of glasses production materials. Slim and super-flexible elasticity, the temple can be restored after 180 degrees of stretching, using a special soft silicone nose pads, the new release glasses on human harm.
Frames selling points:
8.36g film, plastic sleeve 1.33g, stipule 0.36g, screws 0.11g, bare shelf 2.98g

"glasses + film =11.99g"