Handmade Halloween: A DIY Fish Costume That Won’t Flop | Free Pattern - There’s nothing fishy about making your kid’s Halloween costume, especially when it incorporates all of your favorite DIY elements like hot glue, felt, foam and of course, custom fabric! Check out the costume that will shine amongst a sea of classroom costumes. Taking center stage for this friendly fish is our go-to fabric for costumes, Satin. #halloween #diy #handmade #costume #sewing #sewit #kidsdiy #halloweendiy #makeit