P & Q Chewy Tube Set Chew for Kids Autism ASD Speech Therapy Oral (1 orange P&Q (smooth)) P & Q Sets Develops biting skills naturally and safely. Stem of Q encourages side chewing while arm of P encourages back molar chewing. Leaves mouth open for breathing and sound play (unlike a pacifier). Requires adult supervision for children under the age of 3. MPN: PQ, KQ, 2P'S, KP, PQR, CHEWY Q'S Color: Red, Orange or Green Theme: Teething, Chewing Teether, Oral Motor Exerciser Size: P's 3.5 in long x 2 in wide, Q's 2 3/4 in diameter