Excellent protection This B-MW car key case provides comprehensive front and back protection and protects your car keys from damage, dirt, dust and scratches. A metal key case can also hide previous defects. Make your key cover look new. The key guard made of zinc alloy uses a modern design, the main body shines like metal and is shiny, of very high quality. A useful accessory that keeps your key safe, with aesthetics and functionality. Quality material: The silicone buttons are thin, soft and flexible. Ultra-thin material does not affect the signal and gives you a soft feeling. Metal key case provides effective protection. Zinc alloy protective key button. The zinc alloy protective cover is a cover that fits perfectly on your car key. Ultra-thin and does not affect the signal. The b*mw key cover provides you with 360 degree protection and you don't feel stiff when pressing the button, protective case does not affect the signal. The normal transmission signal does not shorten the distance. The key varies from each year and model of the car. Please check the picture to make sure the case is suitable for your key before purchasing, please check the quantity of buttons, design and different openings. If they do not match, you can not use it. Specifications: Weight: 84 g. Material: zinc alloy and silicone. Includes: 1 x for BMW key case, 1 x key ring, 1 x screwdriver