Save space and reduce weight while organizing your gear to perfection with the TrekPak Divider Kit for Pelican 1535 Air Case. TrekPak uses pre-installed wall sections, divider panels, locking pins and tabs, and an easy-to-use cutting tool. Simply lay your gear in the case, measure and cut the divider sections, and lock them in place with the steel U-pins. The 7/16" thick divider sections are made of waterproof, closed-cell foam laminated to a rigid, corrugated plastic panel that resists tearing and shredding. The TrekPak is combined with 1" bottom foam and lid foam to give your gear 360-degree protection.