We're sorry that this has been your experience, since our Heavy Duty Dry cloths have gone through many quality checks to ensure that you can enjoy an effective clean. They're designed to trap and lock dust, dirt, and hair. However, they're not intended to pick up clumps of hair or whole pieces of things, such as cereal. We'll be sure to share your comments with our team. We'd also be happy to learn more and provide you with further assistance, so please give us a call at (800) 214-8734 when you're able.