This bag works as a backpack or a tote bag. If your laptop or tablet is a bit larger the Medium Canfield B is perfect for you. With enough space for a 15" laptop, you'll be able to take everything you need anywhere you go.
It fits perfectly under a seat as a carry-on bag for short getaways. This Medium size has two side water bottle pockets. Size: 42cm x 30cm x 12cm. Capacity: 15 litres.