Dritz Iron-On Block Letters are textured, velour appliques that are perfect for team jerseys. Bonds permanently to fabric and paper. Not recommended for synthetic fabrics. Use to personalize home decor, purses, T-shirts, and other clothing items. Machine Washable. Black. 1 inch. Contains 2 each of A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, R, S, T, U, V, W, Y, and 1 each of Q, X and Z. Black.