Prodesign Clean 1The Essential collection by Prodesign is inspired by classic Danish design, with an eye for timeless good looks. This collection has very beautiful shapes and playful twists of c Model Clean 1 has a square shape and is made of bi colour titanium with temples of acetate. This model is very feminine and light to wear. When you buy this frame, you will receive a hard case, a micro fibre cleaning cloth and a cleaning product.