Uniquely designed for the Beaba by Shnuggle Air Full Crib, the Full Airflow Mattress promotes airflow and provides a safe, comfortable sleep space for your baby, keeping them from overheating. Its hypo-allergenic fiber core is 50% more breathable than standard PU foam mattresses and includes a quilted cover for added comfort. This mattress is water-resistant and foldable to allow for easy storage until baby is ready to move from the bedside sleeper infant crib to the full size crib. The quilted cover can be easily removed and washed and unlike foam mattresses won't discolor over time. Size: 47" x 23.6" x 2.7"; Only to be used with the Shnuggle Air Full Crib. Standard mattresses will not fit; Inner: polyester wadding, a high breathability polyester fiber matrix; Outer: water repellent quilted polyester; Care: Hand wash 30c. Do not tumble dry. Do not iron.; The mattress has been tested to BS EN ISO 9237 1995 for air permeability (flow of air through the mattress); Safety: It is important that if you are using fitted sheets that they fit securely to the mattress;.