Internal Dimensions(L x W x H): 15.35 x 11.22 x 0.59 inches / 39 x 28.5 x 1.5 cm, External Dimensions(L x W x H): 15.74 x 11.61 x 0.78 inches / 40 x 29.5 x 2 cm. Side pocket of the bag is ideal for storage of small items such as power adapters cables pens and notepads offering added convenience. Water Resistant : The exterior utilizes premium polyester material to protect your device against accidental spills. Adjustable shoulder strap and top handles of the case enable you to carry your laptop in comfortand can be tucked away in the pockets when not needed. The stylish professional design means this laptop bag is perfect for all occasions, school business or travel.