Features: Filters in a second: strong magnetic array, single filter adsorption force up to 15N, inverted storage box will not fall, to ensure that the filters firmly stored Slim and Portable: Thickness of only 1.8cm, the weight of about 80g, lighter than a mobile phone and compactly, easy to tuck for camera bag or pocket. Slim design not take up space, with a folding tripods, fill light and other equipment to carry no pressure, travel photography, street photography to reduce the burden of travel. 360 degree protections: the shell is from high-strength PC material, passed the 1-metre drop test, and the interior is equipped with high-density EVA to cushion the external impact in all directions. Waterproof sealing: IPX4 waterproof design, box opening is equipped with sealing, and no water leakage after repeated water tests. Specifications: Main material: ABS Attribute: Black Product size:about (small) : 8x1.2x5cm/3.15x0.47x1.97in (medium size) :10.8x1.2x5cm/4.25x0.47x1.97in (large size): 11x1.5x7.3cm/4.33x0.59x2.87in For POCKET3 filter storage box Package Includes: 1pc Filter storage box note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.