Wincer Outdoor Tactical Gear Military Molle Water Bottle Pack Pouch Bag Holder nylon-mesh Material:Nylon with waterproof coated nylon lining . Size: 17cm(H) X 7.5cm(Diameter),weight:0.1 kg. Capacity: Fit for 500ml bottled water. Connection with the MOLLE system, you can easily use with the load on the large package, also can be hung on a belt. Mesh fabric, durable nylon and mesh fabric with high resilience combined, permeability stronger, more suitable for outdoor use.