Material: Nylon
Size: 13.3 inches: outside 36*28*5cm, inside 33*23*5cm,

14 inches: outside 39*29*6cm, inside 36*26*6cm,
15.6 inches: outer 42*32*7cm, inner 39*29*7cm,
17.3 inches: outer 45*33*8cm, inner 43*32*8cm,

Function: waterproof, breathable, wear-resistant, anti-theft, load reduction, shock resistance