Armor New Amphibian, Wet/Dry Mesh Bag and Backpack, #166 Armor New Amphibian, Wet/Dry Mesh Bag and Backpack, #166 Construction: Durable, Strong Tight Weave Vinyl Coated Mesh Material Large U-Shaped Zippered Opening for Easy-Access to the Bags Content Zipper: Heavy-Duty Design and 100% Non-Corrosive (repairable) Style Heavy-Duty Webbing Cinch Lift Straps: Double as Top Grab Style Carry Straps