TH 1614/RE are part of the new designer Bio-Based capsule collection by Tommy Hilfiger. This range is sustainable, bio-based and biodegradable. All materials used are natural and from a biodegradable origin. The raw materials used in the M49 formulation are Cellulose Acetate derived from wood and a plasticizer ester base of citric acid derived mainly from starch of vegetable origin. Make renewable possible, whilst looking great at the same time! These rectangle/square shaped Blue frames are available to buy online. All of our glasses include single vision lenses as standard and a cleaning cloth and case. The lens width on this model is 55mm.