Ray-Ban RB1636 Optical Frame is an acetate optical frame from Ray-Ban, designed for everyday vision wear. Its irregular-shaped silhouette and compact sizing suit smaller face proportions. Key attributes: Black | Acetate | Irregular frame shape | Dimensions & fit: Lens width: 48 mm | Bridge: 17 mm | Lens height: 34.5 mm | Temple length: 130 mm | Narrow fit | Small frame size (S) | Composition & care: Acetate | Wipe lenses and frame with a soft cloth; avoid abrasive cleaners and high heat.