This design is an option for both the Deluxe and Standard Nurse's Bag. Essentially, it allows you to further separate your supplies and equipment in the bag, by acting similar to a page in a book! We have improved this version by incorporating a rigid plastic stiffener so that it can hold heavier items. It won't collapse down to the center of the bag. We also made the pockets deeper and roomier on both sides so that you can access supplies more easily from the top. This case adheres with Velcro into the center of the Nurse's Bag and is held firmly in place. Available in Black.