If your child bites, chews, or grinds, give them something safe to chew on. The Chew Stixx Pencil Topper fits any standard number 2 pencil. The use of this product decreases lead exposure, is safe for teeth, is socially acceptable, is allowed in classrooms, increases attention, lowers anxiety levels, and has been proven to increase concentration skills in children constantly seeking sensory input. This product is excellent for both streamline and special needs children. Package includes one knobby and one smooth shaped topper. Not for use under age 4 due to choking hazard. Material is FDA approved for oral use. $9. N.B. No exchanges or returns on oral motor items due to health regulations.