The inside of the Killspencer Utility Weekender features waterproof black nylon and fire-retardant foam lining that helps to insulate and protect your belongings within the bag. Inside, there are also two side slip pockets that make it simple to organize smaller items such as your phone, we well as a zip pocket for securing more important items. The exterior zippered pocket and three slip pockets on the outside of the weekender bag make for easy organization. The shoulder strap is both adjustable and removable and is made out of military spec nylon webbing. It fits easily into the overhead compartment of an airplane as a great carry on bag for travel.