Here are the sizes available for Hp and Dell laptops:
11 inches (27.9 cm / 11.6″ diagonal)
12 inches (30.4 cm / 12.1″ diagonal)
13 inches (33.0 cm / 13.3″ diagonal)
14 inches (35.56 cm / 14.0″ diagonal)
15 inches (38.1 cm / 15.6″ diagonal)
15.6 inches (39.62 cm / 15.6″ diagonal)
16 inches (40.64 cm / 16.0″ diagonal)
17 inches (43.18 cm / 17.3″ diagonal)
17.3 inches (43.94 cm / 17.3″ diagonal)
Available All Models & Colors.