[DURABLE & REUSABLE] The package includes 6 pack mop heads replacements, which will last for one year use. The mop replace head can saves you time and money, but also gives you the most thorough cleaning with less effort. [COMPATIBLE ONLY FOR EASYWRING SYSTEM] These microfiber mop replacement heads are compatible for ONLY EasyWring 1-TANK system. NOT compatible for RinseClean 2-TANK System.