Júcar Rubber, the material from which tires are made, is one of the most informative waste on the planet. By recycling it, we try to give it a second chance and turn it into a durable use good. Reading JÚCAR is a resistant, flexible and light glasses. It is available in presbyopia graduation from 1.00 to 3.50. The lenses, made of polycarbonate, are antireflective and include screen protection, filtering the blue light emitted by electronic devices and which is harmful to our eyes. MEASUREMENTS (mm) : Lens width: 48 | Bridge: 22 | Rod: 145 Made from 100% Recycled Tire Rubber ANTI REFLECTIVE EXTREMELY FLEXIBLE SCREEN PROTECTION To top it off they also come in a social packaging: a case used by children in the Asunción neighborhood in Paraguay and to which we help by allocating 5% of our income. This case incorporates a pencil which you can plant to reduce CO2 emissions into the atmosphere.