SPR(Silicone Protection Ring) is a hidden solution to improve the quality of frames. It can prevent the lens corner from chipping or from the lens getting loose.
The photo shows SPR “already in “.
Colorful SPR can not only protect the lens from breakage on your metal frames, but it also spice up your rimless frames.
Our SPR is very strong.
SPR is made of silicone.
It is a strong and hard-to-deteriorate material.
It does not break even if it is hung by weight of approximately 400g !
The decoration of demo lens
Please feel free to contact us if you need further information about our products.
Have a great day!
Sharry
INTER EYES (China) /EUROVISION(Japan)
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