Polaroid D578 Optical Frame pairs a square silhouette with sculpted, multifaceted contours for everyday prescription wear. The lightweight construction and rubber temples provide comfortable all-day use. Key attributes: Blue | Polyamide | Lightweight | Durable | Prescription compatible | Rubber temples for added grip | Square frame | Sculpted, multifaceted front | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Size: 51 (L) | Composition & care: Polyamide | Rubber | Gently clean the lenses using the supplied microfiber cloth.