Description: Material: Made of premium high-quality zinc alloy and crystal stones, stable and durable, sparkling bling, very attractive. Size: Outer diameter of the ring is about 1.5 inch and inner diameter is about 1.25 inch. Please check your car's ignition button size to ensure our car crystal rings could fit your car. Shiny: Unique rhinestones design, shiny and beautiful, add your car some shiny and luxury. Application: Decorate your car engine start, stop push buttons, car a/c knobs, radio switches, beautifully and easily. Easy to Install: Comes with double-sided secure adhesive tape, just need to peel off the tape film and stick to apply, tearing off without any traces. Specification: Material: Alloy, Rhinestone. Type: Engine Ignition Push Button Decoration Size Chart: 38x38x2mm/1.50x1.50x0.08inch Package Includes: 1 Piece Engine Ignition Push Button Decoration Circle(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!