Product details:- Easy to take out refills after usage with unique lock and unlock mechanism using your foot No more stinking unclean refills, now take out wash and dry dirty refills for sparkling clean floor always- no more dirty floors with dirty refills 100 percent bleached cotton that absorbs more water for better clean Looped threads lasts long and don’t fray or leave lint Unique scrubby strips helps to clean tough stains easily Easy to put pressure on floor with strong handle lasts long http://www.amazon.in/dp/B00XYDM0BW/