This is a replacement delta head mop pad for the black and decker fsm1630 steam mop it is manufactured from a high quality microfibre for the ultimate pick up performance this product is also machine washable and has been tested to last over 100 wash cycles black and decker have developed easy glide technology a unique combination of micro fibre and nylon threading which allows for effortless glide the hands free pad removal system allows the user to just step on the tag to release the pad