The plasti-chrome trim set will include (2) pieces of chrome trim molding to install directly over top of your factory molding. This product is also NOT designed to replace your OEM roof molding, this trim is designed to sit right on top of your existing factory molding and enhance the current look. Detailed install instructions will be included and should only take 5-10 minutes to install. Minor trimming of the chrome moldings will be needed, any pair of scissors will do the job. The trim is made of flexible and durable high quality ABS plastic with a 3M adhesive tape on the back. All of our trims are sourced from and proudly made in the USA These trim kit will install directly on top of your vehicles existing OEM molding. This is NOT a factory or replacement piece; therefore you must have the OEM molding in place for this kit to work. The trim will install with a powerful 3M adhesive for a long lasting hold. In the event you need to remove your chrome roof trim, you will just peel it back off.