Hook-and-Loop Wet Mop Pad is made of polyester and polyamide fiber with a special twisted process to keep its shape longer. It prevents less linting compared to other types of pads. Durable material lasts up to 500 washes. 18" long design is perfect for mopping floors and fits most common hook-and-loop frames (not included).Hook-and-Loop Wet Mop Pad is made of polyester and polyamide fiber with a special twisted process to keep its shape longer. It prevents less linting compared to other types of pads. Durable material lasts up to 500 washes. 18" long design is perfect for mopping floors and fits most common hook-and-loop frames (not included).