The 2-piece "Novitrim" charcoal grey polymer moulding trim is used for perfect finishing and also to create added details or cover up defects. It can include corner mouldings, cove mouldings (used at the junction of an interior wall and ceiling), rope mouldings, quarter rounds, and accent mouldings. It offers variable pocket depth from 5/8" to 1 1/8" for a perfect fit to the siding or roofing profile. It has exceptional durability, resistant to discoloration and extreme temperature variations. Its dimensions are 1 1/4" x 6' and it comes with a lifetime warranty.