Loom keeps wiring bundled together for a neat appearance and can be easily removed when adding or removing wires during wiring harness changes. Open design makes identifying or locating a wire simple and will not hold dirt and moisture like solid looms. Loom also provides provide abrasion resistance to protect wiring or hoses. High density polyethylene material is rated from -30 F to 165 F and sold in 20 ft. lengths.