Golds Gym Stayball The Golds Gym Stayball 75 cm is the love of my life. Anti-burst technology to me meant that I wasn’t going to burst it open the second I sat or rolled my beginner body over its silvery surface. It’s a versatile piece of equipment because it can be used for your entire body. It tones, it helps with balance, it’s stable. It is my friend. I named mine….