Hydration Utility Pouch The Hydration Utility Pouch features a large cylindrical main compartment which includes a hydration tube pass-through. The primary compartment (10" x 4") is designed to store a Nalgene bottle or canteen, but can accommodate many other items including 1000ml & 500ml IV solutions, camping stoves, or medical supplies. The secondary compartment (6.5" x 4" x 1") provides additional storage space for accessories, medical supplies, or other peripherals. Attaches to your plate carrier via MOLLE webbing or other load bearing equipment via D-Rings. Dimensions: 10" x 4"