High Quality Material: the sanding plate is made of carbon fiber material, which is not easy to be damaged. Great Feeling: The weight and size of the sanding boards have been precisely measured to make it easier for you to use them. Detailed Set: The sanding boards are available in 7 styles, taking care of every detail, with a style for every position. Note: Sanding board should be used with adhesive backed sandpaper (This product does NOT contain Sandpaper, only sanding board), detail models need to cut sandpaper. [ SATISFACTION GUARANTEED] Please check the package content as you received the product. At STEDI, we focus on product quality and value the shopping experience of our customers highly. Whenever you have a question, please feel free to contact us!