Micro Fiber Steam Pockets, 2 Steam Activated Micro-Fiber Steam Pockets, Includes 1 All Purpose & 1 Versa-Tile Steam Pocket, Loosens, Lifts & Locks In Dirt, Reusable, Just Throw In The Washer, Will Not Scratch Or Smear Floor Surfaces, Includes Finger Loops For Easy Off/On, Use With #S3501 Shark Steam Mop.