Do more with your DAKA Grid Organizer; Added stability and custom fit for barrels and other like items; Expanded DAKA Grid Organizer and DAKA Hard Case configurability; Compartmentalize and protect more of your gear; Lightweight, durable, non-absorbent, and chemical resistant; Magpul's impact-resistant Expanded Polypropylene material; Includes two double V-Blocks and two triple V-Blocks; Both blocks feature a V-shaped channel that runs down the center