Once you click over to Amazon, we are not permitted to promote any of our offers to our Amazon customers. Before you continue on to Amazon, please sign up for our email list below and we will be able to stay in touch with you. We just occasionally will send things out to you and will not bombard you every month. In appreciation, after signing up, you will be able to receive a FREE 4-pack of toothbrushes. Thank you, Howard B. Richman, Owner, Plain Toothbrush Company.