Wallables 3D Wall Decor Talking Alphabet Decals, Letter D 3D talking alphabet letter wall decal; great visual, aural, and tactile tool for teaching child to read and spell Soft soy-based polyurethane foam construction; free of lead, phthalates, and Bisphenol-A for child safety Alphabet block design with raised white letter on bright colored background; letter glows in dark up to 20 minutes Voice says letter upon pressing; Velcro backing allows easy attaching and removal for forming new words Measures 6 inches wide by 1 inch deep by 6 inches high; available from "A" to "Z"