Hazmat placards are available in both vinyl graphics and removable magnetic signs. Vinyl graphics are best for companies that normally transport one type of hazardous product. Magnetic signs are great for those that want a temporary solution to their hazmat identification needs. Both of our products are 100% USDOT compliant and measure 10 3/4 x 10 3/4" per the regulation statute. If you have any questions or would like to speak to a customer service representative about you USDOT complain Hazardous Material identification needs, please feel free to call us at 812-936-7446 or email us at firstname.lastname@example.org.