The Blue Adult Gorilla Costume says you are wild and read to have fun! Be the life of the party, and master of the Congo, in this blue gorilla Halloween costume. You will be a gorilla from head to toe for a look that is truly fearless. Gorilla costumes come in a variety of colors — a fun group costume! Size: XL. Availability: This Blue Gorilla Costume takes approximately 1-2 business days to leave the warehouse plus transit time.