Heidi Swapp Light Box Alphabet Inserts by American Crafts | 50 letters, Black EXPRESS YOURSELF: Letters are for use with the Heidi Swapp Light Box (sold separately). Light up your home or office for birthdays, holidays and other special events with personalized, motivational messages. CREATE UNIQUE LOOKS: Combine these letters with photo-real backgrounds and colorful patterns to create a unique message, perfect for any occasion. MAKE YOUR FEELINGS SHINE: Messages and thoughts are so easy to put together with this variety of black letters. Your feelings will shine bright and add impact to any display. GREAT ASSORMENT OF LETTERS: Ax3, Bx2, Cx2, Dx2, Ex3, Fx2, Gx2, Hx2, Ix3, Jx1, Kx1, Lx2, Mx2, Nx2, Ox3, Px2, Qx1, Rx2, Sx2, Tx2, Ux3, Vx1, Wx1, Xx1, Yx2, and Zx1.