Features: Easy to use: You just need to select the clothes you want to transfer, and then select some letters and take your iron to print the iron-on letters at a temperature of 284 - 320 degree Fahrenheit for 10-15 seconds. Finally, you can finish the printing process. Enjoy DIY fun: You can invite your friends or relatives to make handicrafts with these iron-on numbers together, enjoying DIY fun and getting a sense of achievement. You can also improve handmade ability and enrich your daily life. Specifications: Material: soft flock Color: as picture shows Size: approx. 27 x 18 cm/ 10.6 x 7.1 inches Quantity: 72 pieces in total Package includes: 72 x Iron on numbers Note: Manual measurement, please allow some dimensional error. The colors may exist slight difference due to different screens.