Gibbering Orb

These great masses of floating amorphous flesh appear to be covered in bloodshot, weeping eyes and disgustingly vile mouths. The gibbering orb is a pulsing mass of sickly greyish-green flesh, roughly 20 ft. in diameter. The orb distends and undulates as it flies, seeming to spasm through the air rather than fly. The creature does not seem to have a top or bottom, nor does it have any form of appendages for handling objects. A boss for an upcoming D&D session I'm rinning