No more messy hands! Now get clean floors with Butterfly mop refill made of PVA sponge. How to Use: •Attach The Refill To The Mop •This Mop Fits In All Bucket Sizes, So Use Your Mop Bucket •Use Floor Cleaner As Desired •Dip Mop End Into Bucket - Let The Sponge Be Dipped In Water For 1-2 Minutes Before Squeezing It •Use Unique Squeezing Mechanism To Wring Out Excess Water •Mop Your Floor With Ease •After Use, Rinse Your Mop And Let It Dry