Hey Yonniex Brand Black Color Fish Embroidered Patches Sewing Stickers for Clothing Applique Diy Accessories There is no glue on the back of the bird patch, cannot be iron on, these are sewing patches. Size: Left ones : 9.8cm (W) x 10.5cm(H) // Right ones : 10.5cm (W) x 8cm (H) Usage: You can sew it on the clothes you like, or you can sew it on the bags, caps you think is cute, or other place you would like; clothes and pants, if damaged, can be used to cover the damaged area. If your clothes are dirty by oil or other things hard to clean, you can sew a delicate embroidery patch on it to cover it. If you are a biker or motorcycle lover, then you will want to find some biker /motorcycle patches to iron on your biker clothes, we will glad to provide professional biker patches for you! If you are garment maker, you will need to buy patches to decorate the clothes, welcome to choose the suitable patches in my store, the custom design is accetable, just feel free to contact me!