Siser Metallic Heat transfer vinyl, available in 4 shades. Best known for its metallic, mirror-like finish. Best to use with Silhouette Cameo or Portrait, as well as the Cricut Explore, Maker, or Joy. To Use: Insert into the machine with the carrier sheet (shiny side) down. Use your software to mirror the design you wish to cut, and cut with your preferred settings. Weed or peel excess vinyl. Preheat the garment for 2-3 seconds. Press for 10-15 seconds with medium pressure at 150℃ or 305℉. Peel off the carrier sheet cold.