Rhode Island Novelty 2" Dental Rubber Ducky (12 Piece) You'll receive a combination designs for a total of 12 ducks These dental designs may vary Each ducky measures approx. 2" x 2" They have a hole in the bottom and squeak They will float upright in still water, but will not upright themselves if tipped over These make great little party favors or gifts for dental offices to pass out to young patients