Bag your catch of the day with the Reliable Fishing Kill Bags. They are durable and useful for any angler to have. These bags are made from the following materials they are vinyl coated 18 ounce heavy duty nylon so they are durable and will last. They are 1/2 inch dense closed cell foam as well. Reliable Fishing Kill Bags have a drain spout for even more convenience. Another great feature is that they are made with UV/Mildew resistant thread. This helps prevent mildew inside the bag adding to the longevity and durability of the bag.