Introducing the Gas Mask Biohazard Patch from Koreys Patches. This high-quality embroidered patch measures 3 x 3 inches, making it the perfect size to add a bold statement to your jacket, bag, or hat. Whether you're a fan of post-apocalyptic fashion or just want to add a touch of edge to your wardrobe, this patch is a must-have. With the option to sew or iron it on, it's easy to customize your look in minutes. Show off your unique style and love for all things biohazard with the Gas Mask Biohazard Patch from Koreys Patches.