The chest patch is approx 4"x 4". The back design is approx. 10"x10". If you want your items mailed via USPS, there will be an additional charge. $11 covers up to a combination of two t-shirts/caps. There will be an additional $11 charge for each sweatshirt and/or hoodie. If you have any questions, please get in touch with Nancy Mueller at nancya336@gmail.com before placing your order.