The Portabrace PB-24LENS46 Hard Case is ideal for carrying DSLR or other small equipmentand accessories. The case is watertigh and airtight. It has a pressure relief valve, easy to operate latches, and a comfortable hand grip. The case shell is constructed of a high-performance hard-resin material reinforced at the corners. The patented resin material compound is lighter than many comparable brands, which makes your gear more comfortable to carry and also saves on shipping costs. Certifications -ATA (Air Transport Association) 300 rated -IP67 Military specification for protection against dust and against the effect of immersion between 15cm and 1.0 m -STANAG 4280 is a NATO specification for high and low temperatures for extended periods of time (up to 131 Fahrenheit for 48 hours and as low as -4.0 Fahrenheit for 16 hours) -DS 81-41 (military-grade) This hard case comes with 6 x 4-inch lens cups to help protect your lenses or for your accessories.