The bag is made of high quality water resistant nylon. It can hold 17"Laptops?? MacBooks?? Tablets?? Cameras or devices up to 17"br>The new and outstanding feature is a zipped opening on the back of the bag connecting main compartment that can help you put something in or take something out faster and more convenient anytime.( Especially when you bag needs to be opened by customs).</br>Dimensions??18.1"L)x13.4"(H)x5.2"(W). This bag can hold two or maybe three laptops at a time. It will fit a 17" laptop comfortably.</br>Structure: Adjustable Shoulder Strap?? Flap front with Twin New Style Buckle Straps?? Shoulder Pad?? Multi Main Compartment with Many Size Pockets.</br>The bag can be carried by the handle?? worn on shoulders?? positioned across body?? also hold on the Trolley Case.</br></br>Product Description</br></br><b>About This Messenger Bag: </b><br> The multifunctional messenger bag is being manufactured by high quality water resistant nylon. Multi main compartment with many size pockets can fit your various supplies and stationeries. The adjustable shoulder strap is definitely long enough to wear cross-body. It would work well if used regularly?? and would not rip or tear easily. Besides?? the handle on the back of the bag also fit over the telescopic handle of a trolley case(just 17"is a lightweight?? quite roomy with different pockets messenger bag for your everyday activities. <br><br> <b>Things fitting in this messenger bag.</b><br> ? Large Main Compartment for: Laptops?? MacBooks?? Tablets?? Cameras