1150 Pelican Case with foam Interior Dimensions: 8.18" x 5.68" x 3.62" (20.8 x 14.4 x 9.2 cm). Watertight, crushproof, and dust proof. Open cell core with solid wall design - strong, light weight. O-ring seal. Automatic Pressure Equalization Valve. Stainless steel hardware. Pick 'N' Pluck with convoluted lid foam. Lifetime Guarantee of Excellence. The Pelican 1150 Case is unbreakable, watertight, dustproof, chemical resistant and corrosion proof. These are some of the features of this Pelican Protector Case that offers total protection for your equipment. Pelican 1150 Case is made of Ultra High Impact structural copolymer that makes it extremely strong and durable. Its exclusive 1/4" (6.4 mm) neoprene o-ring and ABS latches seal perfectly and includes an automatic purge valve for quick equalization after changes in atmospheric pressure. Open cell core with solid wall design - strong, light weight. This case comes with Pick 'N' Pluck with convoluted lid foam. 1150 Case with foam Certificates; IP67 (1 meter submersion for 30 minutes). Def Stan 81-41/STANAG 4280.