Jewelry that communicates! Size is 16 mm acrylic squares with hypo-allergenic silver tone posts. Includes one pair. Perfect for adults with disAbilities who use ACC (Augmentative and Alternative Communication) Boardmaker communication, parents, speech-language pathologists, teachers, special education teachers, and others! Purchase includes 1 pair of pierced earrings. Colors include Glitter Black, Glitter Champagne, Glitter Ice Blue, and Glitter White.