40L Waterproof Dry Bag Sherpa Dry Bags are 100% waterproof and will keep your gear dry and protected no matter the conditions. Store your electronics, valuables, clothing, food and more in a Sherpa dry bag for ultimate protection from the elements. These bright coloured dry sacks are perfect for kayaking, canoeing, hiking, trekking, travel and more. How to Close the Dry Bag: Fill the bag with desired contents, no more than 3/4 full to allow for closure then purge the bag of excess air; Fold the bag from the top with the black strip facing away from the body; Fold the black strip away from you a minimum of three times; Snap together the buckle to secure the bag. ; Dry Bag Features: Material: 500D, 0.5mm PVC; Buckle closure; Waterproof; Comes in clear plastic pouch with dome closure;