The Tommee Tippee Closer to Nature Air Flow Pacifier soothers have been scientifically developed in association with a world leading authority in pediatric dentistry and a biomedical engineer. This unique patented range develops in size and shape as your child grows, supporting natural, healthy oral development. Features an Air Flow shield to help prevent redness and rashes. Contains 2 Stage 2 Air Flow Pacifiers and includes free sterilizer case. BPA free.