This SALT Optics frame is an older model and is considered final sale and is not eligible for return, exchange or warranty. Model: Darla (BS) Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 52 17 135 Frame Material: Acetate, Titanum Frame Features: 100% Made In Japan with high quality Japanese componentry. Japanese acetate ensures rigidity & durability for a proper fit, lasting adjustments, and high luster. Aerospace Grade Japanese Titanium provides lifetime durability with a featherweight feel. Specific acetate and titanium thickness designed to provide the proper fit, while reducing stress to the lens and ensure superior optics. Flat sheet titanium process eliminates points of stress and fatigue ensuring eyewear that will last generations. Lens: Any and all prescriptions can be filled at Good See Co. Shipping: Occasionally SALT. frames may have to be special ordered from the manufacturer and will take 1-2 days to arrive before shipping. Handmade in Japan