3-piece foam set Strong polyurethane wheels with stainless steel bearings Watertight, crushproof, and dustproof Open cell core with solid wall design - strong, light weight Fold-down side handles on both ends additional carrying options New fold-down over-molded top and side handles Easy open double-throw latches Stainless steel hardware and padlock protectors Automatic pressure equalization valve - balances interior pressure, keeps water out O-ring seal 12 lid bosses for mounting of multiple 1500MP EZ-Click MOLLE Panels Hi-density foam tray option for 10 firearms