Spell out more than 400 sight words and word family groupings with these letter vests. Each vest features a lowercase letter on the front and uppercase letter on the back for a hands-on way to reinforce your lessons. Tough, nontear paper is laminated for extra durability and long-lasting use. Set includes all 26 letters of the alphabet plus duplicates of A, E, L, N, O and S for more spelling options. Letter vests are designed for children ages 4 and above.