Replace the mattress cover for your LullaGo Bassinet. Padding zips in easily for assembly and zips back out for machine-washing. UsageTo remove the mattress padding from the mattress cover, flip the mattress over and locate both zippers. Undo the zippers and pull out both sections of padding. When replacing the mattress cover, make sure to insert the padding with the boards on the same side as the zippers. When padding is replaced into the cover, make sure the padding is flat and does not create gaps when placed into bassinet. CompatibilityThis item is compatible with the original LullaGo and LullaGo Deluxe only:XXX79044XXXXXXXXX79772XXXXXX Care and MaintenancePlease refer to the care label for instructions on cleaning the mattress cover. Hand- or machine-wash in cold water only; drip dry. Do not bleach, tumble dry, iron, or dry clean.