found at Camera House
-Retractable extension handle -4 strong polyurethane wheels with stainless steel bearings -Easy open Double Throw latches -Open cell core with solid wall design - strong, light weight -O-ring seal -Automatic Pressure Equalization Valve -Large 2-person fold down handles -Stainless steel padlock protectors -Lifetime Guarantee of Excellence -Watertight, crushproof, and dust proof