Hillman 3 in. Reflective Letters Kit features black block letters on a reflective silver background, crafted from durable Mylar plastic for long-lasting use and excellent visibility. These letters are easy to apply thanks to their self-adhesive backing, making them for a variety of applications. Each character block measures approximately 3 inches high by 1-1/2 inches wide, ensuring clear readability. The kit includes a total of 48 characters: 3 each of A, E, I, O, R, S, and T; 2 each of B, C, D, H, L, M, N, and U; and 1 each of F, G, J, K, P, Q, V, W, X, Y, and Z. This versatile set combines durability and ease of use for all your lettering needs.