Messenger Bag Laptop Liner

This liner made my Chrome messenger bag a lot easier on the back, stiffer to hold its shape, and to provide a lot more protection for my laptop. It was a series of pieces of foam that I cut and formed into a shell matching the bottom half of the bag. I then inserted it in between the waterproof outer shell of the bag and the inner bag (these are separate and held together with Velcro, with Chrome bags.)