Using this exercise ball is super easy. Just open the lock - tight lid, gently place your small pet inside, and then close the lid securely. Make sure to keep an eye on your pet while they're in the ball to ensure their safety. When it comes to maintenance, you can clean the ball with mild soap and water regularly. Keep the ball away from sharp objects to prevent any damage. Also, if you have different sized pets, consider getting the appropriate ball size for them to ensure a comfortable experience.