Hyperlite Mountain Gear THE BOTTLE POCKET / Hyperlite Mountain Gear Bottle Pocket * External bottle pocket made of double-stretch mesh material * Attaches to the shoulder strap of a backpack with pins * Can be attached to bags other than HMG * Can be attached as a side pocket to backpacks with daisy chains as well as shoulder straps * Mesh material can hold 500ml-1L PET bottles * Versatile, can be used not only for bottles but also as a stock holder Used only once after purchase. I am selling it because I no longer use it.