1.Applicable Models: (reference only)Fit for BMW 2023up 740i 760i X1 X5 X6 X7 XM IX IX3 I5 I7 5 Series 7 Series, etc, please compare your car key and this key fob cover carefully through the pictures before purchase. 2.Heavy Large: Please note, due to its metal frame, this key case is heavy and large, Key case key chain with a total length of 6 inches, 2.8 oz, so it is not suitable for pockets (or without a key chain installed) and is more suitable for hanging around the waist. If you prefer a lighter option, You can choose another TPU or leather key case in our store. 3. Metal Frame Soft Silicone Lining: Our key fob cover features a durable metal frame that provides superior protection against daily wear and tear, ensuring longlasting use.The soft silicone lining inside the cover a cushioned layer of protection, tight fit with buttons and more soft and easy to press. 4.Carbon Fiber Pattern Signal Friendly: The silicone lining is printed with a carbon fiber pattern make it more youthful and fashionable. Unlike some other key fob covers, our metal key fob cover is specifically designed not to block the signal, ensuring that you can always use your key fob without any interference.