Polyethylene terephthalate, better known by its acronym PET, is found in beverage and textile packaging. Parafina takes care of recycling PET that comes from uncontrolled landfills to prevent them from reaching the sea. Coral is characterized by being a light, waterproof and flexible sunglasses. In addition, it is adjustable for a motorcycle helmet. The lenses used for the Coral model have UV400 protection (cat. 3) and are polarized, that is, they reduce glare, optical stress, and offer better contrast.