Maxpedition Four-by-Six Pouch (OD Green) Main compartment: 5.25"(L) x 2"(W) x 3.75"(H) The Four-By-Six is a low-profile modular pocket designed to be attached onto tactical vests, backpacks, or belts using a pair of 3" TacTie (sold separately). Designed to be compact, it takes up only a small area on PALS webbing grid. This pocket features our trademark Button-Lock secure closure system which prevents the main compartment from being opened unintentionally. Classification: Low profile modular pocket, utility pouch, accessory pouch, MOLLE pocket, MOLLE pouch, camera case. 3.75 high x 5.25 wide x 2 thick This pocket features our trademark Button-Lock secure closure system which prevents the main compartment from being opened unintentionally.