Durable material: this tube cleaner brush is made from stainless steel and nylon bristles head,which can softly scrub away buildup and avoid destroying the tubing,works on any surface material (copper, vinyl, plastic tubing applications). . Sunroof drain cleaning tool for car:Our tube hose brush total length is 60-inch;the wire tube brush is flexible to even work for curved tubing that angled less than 90 degrees;reusable. . The nylon bristles long pipe cleaner tubular-shaped brush on one end and loop end on other,the hand ring is designed for easy extraction, so you dont have to worry about the pipe cleaner brush falling into the hose and not being taken out,and more convenient to clean. . Simple Operation : If you find that your home sink or refrigerator pipe is blocked, feed the flexiblestem of tube cleaning brush (brush end first) into the tubing and gently scrub the inside whileworking the brush back out.flexible yet sturdy wire-body snakes its waythrough with ease and goes deep into any drain.