Granite Gear Air Zip Twists Set of 2 See-thru Sil-Nylon fabric allows you to see what's inside. Unique zippered access allows fast loading and secure storage Convenient haul loops for grabbing and hanging Block shape stacks great inside your pack 5L: 6.75 x 4.75 x 11.25"; 9L: 7.75 x 5.5 x 13"; 14L: 9 x 6.25 x 15.25"; 20L: 10.25 x 7 x 17.5"