Outwater Plastics 1441-Bk Black 3/8 Inch X 1-1/4 Inch X 3/64 (.047) Inch Thic...

Manufacturer: ‎Outwater. These corner trim mouldings are manufactured from high quality Styrene and PVC that provide many benefits. Styrene is cost effective and great for color matching, while PVC has a high impact strength and features resistance to chemical abrasion.

eBay