Arvid in Black Frame and Green Gradient Lens from Monokel Eyewear . Handcrafted premium Japanese Takiron acetate frame with 5-Barrel OBE Stainless steel hinges and protective teflon covered hinge screws. Constructed with 100% UV protective CR-39 lenses and geometric rivet details at the hinges. Includes a protective case, cleaning cloth and storage box. 100% Biodegradable Acetate Dimensions: 137.5mm x 41.4mm