Protect(TM) Corner, HD 16 PVC BumperThese Heavy Duty Bumpers are manufactured from PVC with UV Inhibitors and Fungicides, have excellent shock absorption qualities and will not mark or mar the hull of your boat. The Protect(TM) Corner Bumpers also have many industrial applications where cushioning and protection are required.WARNING: This product can expose you to chemicals including Vinyl Chloride,Titanium dioxide which are known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.