The Ignik Gas Growler Carry Case is an insulated protective case and adapter for refillable propane tanks (sold separately). The molded gas growler carrying case has room to tote a hose (sold separately), as well as storage space for a wrench. Integrated Molle stitched webbing makes it easy to carry, and can be used to attach accessories, or strap down for transport; rugged zipper closure. The upgrade kit is ideal for situations that require portability, or when space is limited while camping, RVing, boating, fishing, and tailgating. The Ignik Gas Growler Carry Case is available in three sizes: 3.8-Pound, 5-Pound, and 10-Pound. Check tank measurements for compatibility.