1) No effect to your Macbook and easy installation.
2) Protect your laptop against dust and moisture.

3) Material: The case is plastic hard case with silk leather

About Model Number:
Please kindly check the model of your Macbook before purchasing!

Note: If you're not sure the model, please kindly check the back of your macbook, you could see the model (Axxxx) printed there, or contact us by ebay message, we will reply asap.