COMPATIBILITY: These mop vac pads compatible with the Shark vacmop cordless hard floor vacuum mop VM252, VM251, VM255, VM250, VM200, VM200C, VM190, VM252C, QM250, QM251, QM252, QM252C, QM253, UM205, VC205, VC255, CV255, VM251B1, VM251B1NP, VM251B3, VM251B3NP, VM251B4, VM251B4NP, VM251NP, UPGRADED DIRT CHAMBER: The upgraded dirt chamber is made of ABS and will last up to 6 months to 1 year. Compared to other dirt chambers, this upgraded dirt chamber adds an extended stand to prevent the vacmop pad from rolling up when moving backwards, 20% more space to hold more dirt, and a pull-out switch for easier use., WASHABLE & REUSABLE: Fit for shark vacmop replacement pads can be machine washed or rinsed, the dirt chamber can only be rinsed, BETTER WATER ABSORPTION: These vacmop pads refills are made of microfiber with even better absorbency, perfect for cleaning spilled liquids, mud marks, pet dirt, and more. Effectively cleans hard floors such as stone, hardwood, vinyl, laminate, tile, marble, linoleum, etc., SAVE MONEY & ECO-FRIENDLY: Our pack of fit for shark vac mop pads is enough to last you 6 months, so don't waste your money on disposable pads!