Iron on Patches Pack: you will get 12 pieces lightning embroidered patch Product Size: lightning patch size about 1.41 inch*3.66 inch (3.6 cm*9.3 cm) Material: high quality embroidered cotton material, with hot melt adhesive on the back, can be sew on or iron on How to Use: you can put cotton fabric on the lightning patch to secure the cloth before ironing, than set iron to "COTTON", 100-150 degrees, for about 30 seconds. You’d better sew them if you want keep them on and never fall off Wide Application: these decorative lightning patches are ideal for DIY motif clothing repair accessory decoration, they can be applied to dresses, skirts, bags, jeans, hats, shoes, shirts, socks, etc Iron on Patches Pack: you will get 12 pieces lightning embroidered patch Product Size: lightning patch size about 1.41 inch*3.66 inch (3.6 cm*9.3 cm) Material: high quality embroidered cotton material, with hot melt adhesive on the back, can be sew on or iron on How to Use: you can put cotton fabric on the lightning patch to secure the cloth before ironing, than set iron to "COTTON", 100-150 degrees, for about 30 seconds. You’d better sew them if you want keep them on and never fall off Wide Application: these decorative lightning patches are ideal for DIY motif clothing repair accessory decoration, they can be applied to dresses, skirts, bags, jeans, hats, shoes, shirts, socks, etc.