Every day, more than 2.5 billion cups of coffee are consumed around the world. This huge amount of sediment is not treated properly and is wasted, and the reality is that it is a huge amount of merchandise available to produce any good. In the case of Parafina, we have combined our most classic material, recycled PET (plastic), with this raw material and as a result we have obtained ultra-light and water-resistant sunglasses.