The Chicco Mattress for Baby Hug 4 in 1 is a soft, breathable, and supportive mattress specifically designed for use with the Chicco Baby Hug 4 in 1 in its crib configuration. Suitable from birth, it ensures a comfortable sleep environment for newborns. Measuring approximately 39 x 77 x 2.8 cm, the mattress is made entirely of polyester, including both the cover and padding. It is lightweight, with a weight ranging from 239 to 750 grams depending on the retailer, and is available in a clean white color. The mattress requires gentle care, recommended to be hand washed in cold water.