Non Slip Arched Metal Hanger (Black) Metal Clothes Hangers (40 cm) Pack of 40 Space saving Hangers for China China Wholesale Black Metal Hangers Suppliers Hometime Factory Amazon.com: Kabudar Metal Hangers Non Slip Suit Coat Hangers Chrome and Amazon.com: Amber Home 16" Non Slip Rubber Coated Metal Suit Coat. These hangers are made of tempered steel and coated with a specially formulated non slip plastic that cushions knitwear and helps keep them from slipping off the hanger. The rounded, arched shoulders of these non slip metal hangers were also designed to effectively eliminate "shoulder bumps" in blouses and tops. This hanger could also be used for lingerie or other fine fabric garments. California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information: www. P65Warnings. ca. gov.