These rings are made by product waste. These rings are edible for all animals on earth. So when these rings go into water and animals find them they can eat it as food instead of them getting caught in them and drowning or left vulnerable for other predators.

E6PR, the startup that created the first biodegradable and compostable Eco Six Pack Rings, which unlike those evil plastic rings, sea animals can eat and digest. Yes, even a three-eyed fish.