Harry Potter Costumes Diy . Years ago i bleached his hair for his draco costume, but shortly after he got glasses. Unpin your pattern from the fabric and set. Adult Deluxe Harry Potter Costume from www.halloweencostumes.com This list of 25 harry potter costume ideas features inspiring cosplays and costumes you can buy or make for endless costume parties and comic con events! Diy harry potter costume robe instructions. Diy harry potter costume maroon and gold quidditch robe i sewed (badly) that was kinda tight in the shoulders, oops jean jacket underneath for warmth (again — it’s canada and.