Fishpond Thunderhead Roll-Top Dry Bag is a durable, waterproof gear bag made with Fishpond's NewStream Fabric - made exclusively with post-consumer recycled material, 100% of which is compromised of water bottles and other beverage containers. The recycled fabric is super durable and built to withstand the long haul. A built in D-ring attachment provides a spot to securely attach the bag to points when in motion on a boat, etc.