baby bag

We need to get a diaper bag. We're probably just going to get a backpack that is an actual backpack, but want to know what we need to look for in it. So... Any advice as to what we want/don't want in a diaper bag? What will your choice be? What do you recommend?

Brand new with tag Roomy bag for all your baby stuff Great bag for traveling as well 2 side pocket 1 back pocket Inside with zip and multifunction pockets Zip top closure Black lining for the inside Comes with changing pad Collection at Clementi for COD. Transfer to POSB account for courier...