"The Cruiser Accessories Prism Iridescent License-Plate Frame has a youthful subtle look with a secret. Highly reflective and color-shifting, this license frame's appearance can transition from a near solid to a display of full rainbow colors depending on the mood of the sunshine. Black lines in the corners and the frame's black base add a geometric style to the low-key blingy look. The matte-black base frame and outer lines are made of ABS plastic, with a unique triangle true rib structure on the back to increase stiffness. The 4 iridescent film inserts are permanently snapped into place and made of UV-resistant polycarbonate. Engineered to ""Show More Plate,"" this plate frame won't obstruct state names or registration stickers. Easy installation with basic tools. Fits standard 6""H x 12""W license/novelty plates. Full sunshine brings out this frame's true brilliance Clear view of license-plate information UV-resistant to prevent fading ABS plastic base frame Polycarbonate inserts to prevent pitting"