Watertight, crushproof, and dust proof Floats in salt water with 150 lbs (68.2 kg) load Easy open Double Throw latches Open cell core with solid wall design - strong, light weight O-ring seal Pressure Equalization Valve Large 2-person fold down handles Stainless steel hardware and padlock protectors 3 level Pick 'N' Pluck with convoluted lid foam Personalized nameplate service available Unconditional Lifetime Guarantee of Excellence Retractable extension handle 4 strong polyurethane wheels with stainless steel bearings