The Hollis Regulator bag is large enough to hold regulator, gauges, and an octopus. Provides extra cushion and protection from the other items in your gear bag. Bag has sturdy top grab carry handle and is made from durable 1620 Denier ballistic nylon material throughout. The Hollis Gear Regulator Bag a #10 YKK self-healing zippers with dual sliders equipped with pull tabs. The main compartment zippered opening is 3/4-around bag for easy packing and unpacking of your regulator system. Interior Velcro loops secure your regulator and instrument console to prevent shifting while in transport or storage. The bag measures (L x H x W) 12" x 4.35" x 12" (30.5 cm x 11 cm x 30.5 cm) and has a volume of 626.4 cubic inches (10.25 liters).