Includes one ORIGINAL soother for daytime use and one NIGHT soother for nighttime use. The NIGHT soother features a glow-in-the-dark knob, making it easy to locate in the dark without disturbing the baby's sleep. Orthodontic Design: Features a flat, symmetric teat that allows for free tongue movement. Thin shaft minimizes the space between the upper and lower jaws, promoting proper oral development. Glow in the Dark: The NIGHT soother has a glow-in-the-dark knob, ensuring easy visibility for both parents and the baby during nighttime. Lightweight and Comfortable: Lightweight design puts less stress on the baby's orofacial muscles, ensuring comfort during extended use. SensoPearls Technology: SensoPearls enhance airflow between the baby's skin and the shield, reducing the risk of skin irritation. Swiss Quality: Developed with experts and manufactured with care in Switzerland, ensuring high quality and safety standards. High Acceptance: Nine out of ten babies love the Medela soothers, indicating high acceptance among infants. Ergonomic Shape: The ergonomic shape allows babies to smell their mother's comforting scent, providing additional comfort and reassurance. BPA and BPS Free: Made without BPA and BPS, ensuring the safety of the baby during use. (description exceeds maximum possible length)