Features 

Compact padded laptop sleeve tailored for 12" laptops and a few accessories. Water resistant 900D Nylon shell & 420D Ripstop Nylon lining Padded laptop compartment Large external gusseted zip pocket
Adjustable & removable main strap Carry handle Velcro release flap

Holds

Compact 12" laptop, power supply and mouse. Works with the 12" Book & PowerBook. It's also a versatile equipment bag due its 'tennis ball' seam, easily masking the shape of bulky objects carried within.

Dimensions 

29x28x6cm
11.5x11x2.3"
vol 2.2 litres
Laptop size:
28x27x4cm
11x10.6x1.6"

Sumber data: www.crumplerbags.com