Stop cleaning. Start Swiffering. The Swiffer® Steamboost™ powered by BISSELL® Steam Mop Starter Kit combines a dirt-dissolving cleaning solution with the power of steam for a deep floor clean that gets messes mops can leave behind. Safe for cleaning virtually every floor type Steamboost releases the power of steam with the touch of a finger and penetrates and breaks down dirt with a steam-activated cloth. When the light is on, it's ready to go.The water tank can hold up to 10 oz of water and no cleaning solution required.