Chicco Well Being Colors Bottle 4 Months Gray 330ml Ideal for the growth. The Physio teat facilitates the correct closure and regular peristaltic movement of the tongue thanks to the special flatm symmetrical and elongated shape. It is available in four versions that adapt to the different shades of growth (Slow, Medium, Fast and Pappa). Made of soft silicone, it ensures natural and relaxed nutrition thanks to the soft silicone finish. The shape facilitates the sucking movement.