Works on lycra, spandex, cotton, leather, polyester, and blends. Has a matte, reflection free surface. CPSIA Certified, so it's safe on garments for any age. Pre-shrink any shirt with cotton content. Use a quick one-second tack application for layering. Apply with medium pressure; preheat fabric for 3 seconds, then apply transfer for 15 seconds, peel off while still warm.Details:Available in multiple colors12" x 12" sheet size12 sheetsMatte finishCPSIA certifiedVinyl