Watertight, Dustproof Case Made of Ultra-High Impact Copolymer Four-piece Foam Set Included Automatic Pressure Equalization Valve Easy Open Double Throw Latches Rubber Over-molded Handle The Pelican 1600 Case with Foam (Orange) is an unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof hard case used to carry any kind of equipment that needs protection. It is made of Ultra-high Impact structural copolymer that makes it extremely strong and durable. It has a 0.25" (6.4 mm) neoprene o-ring, 4 easy-open double throw latches that seal perfectly. It has a built-in automatic pressure equalization valve for changes in altitude or temperature. The case uses stainless steel hardware and has padlock protectors to provide added strength and extra security against cutting and theft. It is carried by a comfortable rubber over-molded handle. Construction Ultra-high Impact structural copolymer Open-cell core with solid wall design Four-piece foam set interior Easy open double throw latches Built-in automatic pressure equalization valve Padlock protectors Stainless steel hardware Includes a four piece foam set that consists of o1 "egg crate" foam upper section, 2 Pick 'N Pluck foam sections and one 1.0" blank bottom foam section Temperature rating -10 to +210° F (-23 to +99° C) Comfortable rubber over-molded handle 1600 Case Certificates IP67 (1 meter submersion for 30 minutes) (Ingress Protection) Def Stan 81-41/STANAG 4280