Our modular lid insert allows you to set up your box a number of different ways. The corrigated plastic insert is sized to fit in Pelican #1550 or Nanuk 940 cases or larger. It attaches to the inside top of your case (you supply the case) with adhesive back hook and loop (we supply). The insert accepts multiple combinations of our MOS compatible organizers, allowing you to customize your box for trauma, Meds, etc. The Pelican Lid insert hinges down so that both sides can be utilized. Dimensions: 12.5” x 17” color: black. Medical supplies not included. Organizer Pockets shown not included, sold separately.