1.[Compatibility]ONLY compatible with Model A2681 M2/A3113 M3( Macbook Air 13.6' with touch id, Release 2022/2024). Please check the model 'Axxxx' on the back of the laptop and choose the correct model number. Not fit for any other models. 2.[Case dimension]Protective case dimension:11.81 x 8.27 x 0.39 inch. Macbook Air 13.6 inch refers to the laptop display screen diagonal length is 13.6 inch, not the length of the laptop. Please check your Macbook model and order the correct size case. 3.[Function]The laptop hard shell case is durable,has a protective effect on your Macbook. It keeps the Macbook from getting scratched, wet and dirty and keeps it clean. The bottom has two rows of vents and four rubber pads. It will be more secure when you type and your Macbook will also always stay cool. 4.[Printed Patterns]The pattern of the Macbook case is printed on and does not fade easily. There are a variety of creative patterns to choose from. You can choose the hard shell case that suits your temperament and makes your macbook unique.