The Amphipak Coqui 22L Backpack is an airtight carrier that keeps any water from penetrating the main compartments. Its unique side zipper design allows for easier access to your gear; eliminating the need to dig through your gear to reach the goods at the bottom. The pack is abrasive resistant, puncture proof, and water sealed. Because this pack is 100% submersible, there’s no longer any need for packing unnecessary extra dry bags, and countless ziplock bags for triple bagging your food and phone. This pack was created for adventure and intense trekking. It will not let you down. This pack was made specifically for canyoneering in wet conditions but may also be ideal for small trips on a wave runner, rafting adventures, river crossings, swimming in pond, lake, or ocean, Kayaking, fishing, or other extreme sport adventures.