BEST VALUE PACK : 5pack mop replacement heads will last more than 1 year and a half for normal house cleaning., PREMIUM QUALITY : Our spin mop head is made of 100% Super Absorbent Microfiber Strands and extra thick quality. The spin mpo replacement head is soft and durable,won't scratch the surfaces while cleaning.Save your dollars and the environment., MULTIPLE USE : 360 magic mop refill is ideal for using in mopping all hard-surfaced floors, also can clean the car, window,ceiling. And can removes and absorbs tough dirt and grime effortlessly, both for dry and wet use., EASY TO INSTALL : Follow the pictured instruction to quickly and easily replace your round mop head. It's sturdy after installing properly. Machine Washable for Easy Reuse., MOP HEAD SIZE : Our spin mop heads fits most mops with 6.1" to 6.3" mop head systems. Please be sure to check your mop head systems size before purchasing. Our spin mop refill's plastic dome has diameter of 6.2",internal diameter rim size 3.8'', round shape, universal design make the head more stable while cleaning.