... . It can clip on the glasses to low the weight.Style: clip on 3D glassesLenses: circular polarized lensesLenses thickenss: 0.72mmPolarized ... when clean the lenses.3.) Durable use, can be used many times.4.) clear and strong 3D effect.We are professional ... , CE(EN-71)certificates.10.) The lenses are available for many style: red cyan lenses,olive magenta lenses, circular polarized lenses, linear ...