These Sphere Balls by FUCK GREEN are 100% biodegradable and made of starch-based PLA Plastic. This best-selling design makes you feel like you’re floating on clean air. Make the temperature rise in a way that isn't global, it’s just you. Experience delightful stimulation as the weights shift with every movement. Tone and tighten your pelvic muscles and improve the intensity of your orgasms and reduce the risk of incontinence at the same time! Get ready to feel like the world is in the palm of your hand. Let's make the world a cleaner place; one orgasm at a time. FUCK GREEN and save planet earth.