Jelly Opal is a huge fusion with six arms and legs, and an overall body type that resembles a centiped. Her skin is light blue and light purple, and she has eight yellow eyes with black pupils and navy blue scleras. She also has a large sloped nose and full lips. Her hair is very light blue and is short and messy, being pulled backwards. Her arms connect to her shoulders and waist and are thin, while her legs connect next to each other going down her body. Her gemstones are on her forehead, chest, sternum, and naval and are teal, blue, yellow, and white.
She wears a blue and white skirt with teal and dark blue pointed shoulder pads, white gloves on her bottom pair of arms, and light yellow bangles on her top pair. She also wears blue pants with dull blue, dull indigo, and dull lavender legs and blue and teal socks.