Notebook protective shell computer case set

Please turn the bottom of the notebook computer,-there is a combination of A and 4 digits in the middle of the row, which is the type of the computer
Because there are too many Mac models, please check the computer model before placing an order to avoid mistakes!
11.6 inch = 11 inch 13.3 inch = 13 inch 15.4 inch = 15 inch

The frosted shell is translucent, as shown on the left, a little hazy feeling, frosted is a kind of craft, not a material
The crystal shell is completely transparent, as shown on the right, it is completely transparent, clearly visible, and the surface is glossy