Exped Ultra Dry Bag Lake 1L. The recycled nylon fabric is translucent to more easily make out the contents inside. Complete with welded seams and a rolltop closure Drybag Ultra is 100percent waterproof/dustproof. Seven convenient sizes hold small items like toiletries and snacks all the way up to larger items like sleeping bags and clothing layers. Each size is a different color for color-coded organization. Package Contents: Exped Ultra Dry Bag Exped 7640277848221: Ultra Dry Bag Lake 1L