Pick up these replacement mats to keep your Fuse Creativity System working at its best. After intensive use with the Fuse Creativity System (sold separately), the rubber mat included with your starter set (sold separately) will likely wear out. These rubber mats replace your original rubber mat and fit all medium Design Sets for the Fuse Creativity System. The rubber replacement mat requires a cutting plate (sold separately) for use. Each package includes two replacement rubber mats.