These dry bags are meant to last years and provide waterproof protection for even the most rugged users. 10L & 20L dry bags come with a 24-42 Inch single shoulder strap. 30L, 40L, and 55L waterproof backpacks are equipped with backpack-style shoulder straps with a sternum strap for added stability. Our new 55L also comes equipped with a heavy-duty waist-belt, which relieves added pressure and helps support your load. Our lightweight and compact water bag makes it an essential dry bag for all your travel plans. Easy to fold and pack tight in any sized luggage Protect Your Valuables with our Dry Bags! Just toss your gear inside your water bag, roll it down, and you’re good to go on your next adventure.