Model: Birdcage (Asteroid) Limited Edition Numbered Piece only 70 made Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 41.5 29 146 Frame Material: Japanese cellulose block sustainableacetate Frame Description: The Birdcage by T HENRI is inspired by the Italian built race car Tipo 61 Birdcage. A Series Sports Racer with a totally tubular space frame chassis that holds rigid but runs light. You are a progressive privateer and built to never look back. Frame Details: 18K gold plated titanium decors and temple corewires 10mm hand-carved fronts 7mm hand-carved laminated temples Custom octagonal safety rivet system Custom 5-barrel hinge plates Octagonal temple tip metal inlay Custom rivet plates Custom non-slip grip on the temples Serial number designation Lens: Green Gradient, Zeiss CR39 sun lenses with Anti reflective backside and hard-coating treatments Warranty: 1 Year Manufacturer Handmade in Japan