KIMLEE Large Backpack for Women and Men Hiking Daypack Hydration Bag for Camping Traveling Outdoor 50L Black Size: 23.6" x 14.2" x 7.9"; 3050 cubic inches capacity of main compartment, 610 cubic inches capacity of top pocket; Just right for youth and adults for light backpacking trips; best for 2-4 day adventures; Adjustable straps and padded shoulder straps for a comfortable fit; Water-resistant exterior coating for light rain; waterproof cover included for heavier rain; The main compartment is suitable for 3L water bladder;