These organizational gear bags are made with lightweight 15D Nylon Rip Stop with silicon coating that provides superior durability and protection from the elements when in the field. Zippered access allows fast loading and secure storage Convenient haul loops for grabbing and hanging Square shape stacks great inside your pack YKK Waterproof Zippers Measurements: 10L - 7.5" x 18.5" 5L - 6.25" x 14.5" 3L - 5.5" x 12.75" 1L - 3.5" x 10" .5L - 7.9” x 3.1”