Be a part of the Submission Shark Community and help the movement grow! Our patches are perfect for Jiu Jitsu Gi's and other embroidery apparel. Get featured on all of our social media pages when you support our message. These patches are 4.5 inches by 4.5 inches and they are iron on backing but can be sewed on as well. Be a shark on the mats with your Submission Shark Patches Today!