The Eagle Creek Pack-It® Sac Medium holds all your medium-sized items. Made of LinkSeal™ Mesh, the Pack-It Sac keeps spills in the bag and off your luggage. With a multitude of applications, use your imagination to find the perfect use for this Pack-It Sac in your packing plan. A convenient carry clip secures the Medium Sac in your bag or lets it hang on the outside. The Eagle Creek Pack-It Sac Medium has a million and one uses.