Magpul MAG856-001: Crafted from textiles infused with polymer, this product boasts of all-around welds, fortified with a reliable YKK water-resistant zipper. Befitting both heavy-duty and lighter applications, these pouches are ideal for tool storage, bulk reloaded ammunition storage, or simple organization of your personal electronic accessories. Albeit not entirely waterproof, these pouches can keep your items dry under various wet weather conditions, making them a nifty companion for most outdoor adventures. This model features a 6"x9" dimension with a 5.75" opening.