Product information:<br /><br />Material: Plastic<br />Mop material: biodegradable cotton head<br />Corrosion resistance: Class 9.0-9.9<br />Dehydration rate:90%-100%<br /><br />Style details:<br />Style 1: cotton heads 3pcs + squeeze handle<br />Style 2: cotton heads 2pcs + squeeze handle<br />Style 3:cotton head 1pcs + squeeze handle<br />Style 4: cotton tips 3pcs