ABKY Tac Nylon Carry Pouch in Coyote Tan - $10
This inexpensive Nylon Carry Pouch is 6'X6" and can expand 2" to hold products. It has 2 small insidesleeves and a front zippered pocket and multiple ways to attach to Molle straps both Vertical and Horizontal. It is Water resistant and can be strapped to belt, vest or backpack. I use it to hold my Trauma Kit on my backpack with EMT sissors inside.
Items like the Trauma Kit fit snugly inside with a variety of attachment option. (Trauma Kit not included)
Mounted on the Front of my backpack (Backpack not included shown as example only)