Chicco My First Nest is the evolutionary mat that allows your baby to relax during the various stages of growth. Comfortable and safe, Chicco My First Nest allows 3 different sleeping positions, ideal for facilitating the muscle and motor development of the baby. With automatic 30 minutes of classical music and delicate light effects, Chicco My First Nest creates a familiar and reassuring environment, a tender nest in which to grow up happy. Both the mat and the pillow are machine washable. 3 rest positions: Lying down: a comfortable nest for cuddling. Tummy Time: ideal for strengthening the baby's muscles in the prone position. Sitting: a soft support for the seat. Electronic features include 30 minutes of classical music. Dynamic light effect: delicate or lively according to the rhythm of the music. Also available in the blue version product dimensions : 40 x 14 x 56 cm; 570 Grams Batteries : ‎3 AA batteries required