Widely used: 21 PCS iron on patches perfect for sewing or ironing on DIY jackets, jeans, bags, pants, t-shirts, skirts. Colorful colors, unique planetary and spaceship pattern, adults and children will love it. Material: Cloth, the back of these patches have glue, can be ironed on or sew on. Size: Assorted size (Please refer to the picture.) Easy to use: there is a special glue that melts due to heat on the back of the patch so you can iron it on or sew it on well on your clothes and textiles. And you can also sew them to make it more sturdy. Repairing and decorating: The ironing kit can extend the life of your favorite clothes. Never worry about the defect or the ugly hole on your clothes any more if you have these lovely cotton patches. Make them cool and fashionable. Environmental protection material: No harm to our skin and eco-friendly. It can help you follow the trend, never behind the fashion.