Product description
__t1__: 52mm __t2__: 16mm __t3__145mm __t4__ Grilamid raw material - cr39 organic Uv400 protection - marked with ce It does not contain bisphenol a (bpa) substance.it does not harm your health. It is extra light. Why grilamid? The raw material grilamid natural, produced in switzerland, is resistant to impacts and does not break easily due to its flexible structure. it is antibacterial and hypoallergenic. the raw material grilamid natural is sterile. Why cr39 organic lens? Cr39 is 20 times more resistant to breaking than mineral glass. if it does break, the glass fragments are not sharp, eliminating the risk of injury. Cr39 is the most well-known organic material. because it conducts heat very well, this material evaporates much less than mineral glass. it stands out, especially for its lightness.