Non Slip Vinyl Covered Metal Hangers Closet Hanger Factory Black Metal Arched Knitwear Hangers with Non Slip Coating 42cm Black Non Slip Coated Metal Hangers with Shoulder Notches and Trouser Trouser Hangers, 16 Pack Space Saving Open Ended Metal Pants Hanger. 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.