Designed to be installed along the edges of a separately available, 100 x 150mm, 2mm thick filter for use within an H&Y Filters 100mm K-Series Filter Holder that is configured with a pair of magnetic filter slotsAllows a compatible filter to be magnetically stacked in front of a camera lens along with other filters that have a Quick Release Magnetic Filter Frame installed, instead of inserted only within one of a specific number of filter holder slotsHelps allow the user to determine the number of filters to be applied when using a 100mm K-Series Filter Holder, all of which can be quickly installed, repositioned, or switched with a different filter needed for other subjects or changing lighting conditionsReinforces the edges of the filter it is placed on, enhancing that filter's rigidity and promoting sharp results by helping to ensure that the filter remains flatFront-facing center finder rulers on side sections of this Quick Release Magnetic Filter Frame help enable precise positioning of the 100 x 150mm filter it is installed on, relative to another filter that 100 x 150mm filter is then stacked on; this can further complement the use of a 100 x 150mm graduated filter whose effect can be adjusted to better suit changing lighting conditions or creative demands by moving it up or downFilter pouch for storage and transport, as well as a microfiber cleaning cloth for maintenance of a filter this Quick Release Magnetic Filter Frame is installed onLabels for identification of the filter pouch's contents