This PALS MOLLE compatible OC Spray pouch/case holster will fit most of the popular pepper spray cannisters sizes out in the marketplace and Fits MK3 or MK4 size sprays. Pouch will fit from 4.0" to 8.5" tall objects. Up to 1 5/8" diameter. The bottom flap and the top flap have hook and loop fasteners that allow you to customize the height of the pouch. The top flap is also completely removable. Versatile pouch that you may also use for: tourniquets or 37mm smoke and signaling cartridges. Pouch measures from 5.0"H - 8.5"H X 2.0"W X 2.5"D The pouch features a single 4.0"H PALS strap on the back to attach onto MOLLE compatible gear.