Heat Transfer Flock Vinyl For Textile 20" x Yard (Tan) High Quality Heat Transfer Vinyl Ready-to-cut material designed for custom garment decoration. Flock has a suede like texture and is Made from Polyvinyl Chloride. Substrates - 100% cotton or various types garments including 50/50 cotton blend Preheat garment for 10 seconds at 320F / 160C. On medium pressure, press for 15-20 seconds to transfer. Peel when cools down.