The iSeries 3i-221312BKU was designed to fit the Blackmagic URSA Mini camera and accessories, and features a high quality PE form-cut foam interior with removable foam blocks to accommodate any setting of the camera shoulder mount. Additional pockets provide room for four (4) CFast cards, a pair of 8" and 12" rods, and power supply, as well additional batteries, lenses, or other accessories. The wall joining these accessory compartments can also be removed to make one large cavity for larger equipment. All SKB iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer resin, and feature a water- and dust- tight, submersible design (MIL-C-4150J) that is resistant to corrosion and impact damage (MIL-STD-810G). Other standard features include a molded-in hinge, patented ?trigger release? TSA-retrofittable latches, comfortable snap-down rubber over-molded cushion grip handles, automatic ambient pressure equalization valve (MIL-STD-648C), and resistance to UV, solvents, corrosion, and fungus.