Timeless aesthetic and wide age range for wear, the Sunglasses from Grech and Co. are made from eco-friendly and break resistant TPEE and are BPA free. The lenses have UV 400 protection and are polarised. CE certified. Category 3 lenses.TPEE is an eco-friendly thermoplastic in more ways than one. It is BPA free meaning no toxic chemicals coming into contact with our children, our ourselves, or the environment. It consumes less energy than other materials do in the production phase, which leaves a better footprint on our environment. It also is recyclable. It contains no nasty chemicals and is water resistant and much more durable than regular plastics, much like silicone, making it more sustainable as well.