About custom size : please leave message with your Laptop length and wildth,if you not leave size .
we will send 17inch(41.5*29cm) ,you can cut it by yourself,thanks!
This is DIY product,we can custom picture custom size.
you can order custom size and leave message of your laptop size.
If you order custom size didn’t leave message of your laptop size,we will send you 17 inch 41.5X29CM,You can cut is by yourself