Most popular 16 assorted colors: Each set of flexible iron-on fabric sheets includes 25 sheets in 16 vibrant colors and one Teflon sheet. 1, dark blue*1, dark yellow*1, Teflon sheet*1 - For craft projects. WIDE APPLICATION: This 25 x 30 cm iron-on vinyl set is designed with a manageable size to fit most base materials, including athletic mesh. Also works great on cotton, polyester, and cotton blends. Integrates perfectly with Silhouette Cameo and Cricut Expression machines. ECO-FRIENDLY AND DURABLE: Use a hot iron or a heat press to iron vinyl onto fabrics quickly and easily; our vinyl irons are SGS certified, eco-friendly, and perfect for decorating children's clothing and accessories. User-friendly and professional: The easy-to-cut material is designed for personalized clothing decoration. The back of the flexible iron-on fabric sheet is pressure and temperature sensitive, making it easier to peel off once the design has been transferred to the desired surface. Easy weeding makes beginners feel professional, and complex projects do not require extra time.