This is a performance designed pouch that will not absorb moisture or water which can add unwanted weight to you and your gear. The mesh bottom allows for \\"flow-through\\" water or sand drainage. It is made with 2 layers of Nytaneon and heavy duty Urethane coated mesh. The outside utility pouch holds a standard strobe or compass. The lid is adjustable and secured by a silent side release buckle. It attaches to your belt with BTS or A.L.I.C.E. Clips.