These are Really Good magnetic letters! Made of long-lasting sturdy plastic, they're color-coded for word study. They feature strong magnets on the back for sure sticking, and proper manuscript letter formation. The uppercase and lowercase letters correspond in height with each other. The set provides plenty of the most commonly occurring letters for word study, including 12 of each red lowercase vowel and six to nine of each blue lowercase consonant. Letters with ascenders and descenders are almost 2" tall.