ULTRA ABSORBENT COTTON MOP HEAD REPLACEMENT: High density, cotton, string mop head strands are made from ultra soft and absorbent strands. They work to quickly wash various surfaces and soak up excess water without being too cumbersome. WILL NOT SCRATCH OR LEAVE WATER-MARKS: Designed to wet clean without harming delicate surfaces making it ideal to clean your RV, boat or decking and floor. Streak-free unlike other cheap mop replacement heads and spin mopheads. DURABLE LONG LIFE: Our replacement mop heads are strong, washable, and designed to work over and over for multiple seasons. Comes with a 3/4" Acme screw on mop head and thread to work with a standard mop pole or a telescoping mop handle. CLEANS MULTI-SURFACES: Our industrial mop head is a safe mop refill for cleaning fiberglass, gel-coat, vinyl, metal, plastic, wood and glass. Superior to cheap cotton or industrial mop heads. Works great with Better Boat telescoping extension poles! WHY BETTER BOAT: We are a family ow