degrading balloons,environmental balloons       

       environmental balloons is the ability to decay naturally and in a way that is not harmful to the environment.

refers to the ability of things to get disintegrated (decomposed) by the action of micro-organisms such as bacteria or fungi biological (with or without oxygen) while getting assimilated into the natural environment. There’s no ecological harm during the process. We can either speak of biodegradable solids (also called compostable) or liquids that biodegrade into water.