White Cloaking Fillet Window and Door Trim - 30mm 
Specifications:

Our cloaking fillet is 6mm thick and available in widths of either 20mm or 30mm. The cloaking fillet is designed with a rounded finish on one edge and a chamfered finish at the other to allow it to easily slot into place when fitting. The cloaking fillet is provided in various length strips in packs of either 1, 5 or 10.
This cloaking fillet has many uses, including window finishing trim, cill capping, finishing trim for skirting boards, and for capping door frames, removing the need to paint and providing a gloss finish which is easy to clean.
This cloaking fillet can be easily applied using a wide range of adhesives, from super glue to no nail.