Sizes guide (laptop's dimensions)

Size	Width (until)	Length (until)	Thickness (until)
10/11 inches	19.7cm	26cm	1cm
12/13 inches	21.9cm	30.9cm	1.8cm
13/14 inches	22.9cm	32.9cm	2cm
15/16 inches	24.8cm	36.3cm	2cm