Large 2-person fold-down handles Built-in, spring-loaded pull handle Stainless steel caster wheels included Watertight, crushproof, and dustproof Open cell core with solid wall design - strong, lightweight 3 level Pick N Pluck™ with convoluted lid foam Easy open Double Throw latches Stainless steel hardware and padlock protectors Automatic Pressure Equalization Valve - balances interior pressure, keeps water out O-ring