Simmons Kids By The Bed City Sleeper Bassinet for Twins - Adjustable Height Portable Crib with Wheels & Airflow Mesh, Grey TweedPolyester, Imported BASSINET FOR TWINS: Mesh sides and walls offer maximum airflow (and visibility) and allow your twins to sleep closely while providing a safe, separate sleep space for each baby Slim base with wheels easily slides under your bed, sofa or chair ADJUSTABLE HEIGHT: 5 adjustable heights allow you to pick the height that works for your bed clear view AMPLE STORAGE: Large storage pockets provide space for burp cloths, small toys or