This item has been discontinued. Extraction Glass Tube Jackets help insure your safety and make the extraction process easier. Extraction Tube Jacket's are a neoprene insulated sleeve with a military grade canvas cover. This Extraction Tube Jacket: Protects your investment Has heavy duty velcro to lock around your tube Shields your hands from temperature Even reduces temperature fluctuation within the tube Dimensions: 9 x 11 Color: Black