Our 4D Black Sporty IRL Laser Cut number plates are made from a rigid acrylic plastic & backed with a vinyl reflective backing, the same as your standard NCT Car plates with 4D LETTERS 50mm high embossed on top. The Black IRL is flat vinyl. Standard size is 20.5″ w x 4.4″ h as per your standard NCT Plate Size. The plates are waterproof.