This mop is a washable and reusable mop that effectively removes 99% of bacteria with just water. Its large 18" mop head covers more surface area and makes it easy to clean large areas quickly. The mop head is also easy to assemble and detach, making it easy to dry and store when not in use. The price drops from $13.98 to $11.98. Shipping is free for over $35, or it adds $6.99.