20ml coating agent to reduce wiper blade chattering. Repair product from SOFT99's 99 Workshop. ・Package size: 30 x 110 x 200mm ・Simply apply to the wiper blade rubber to eliminate unpleasant chattering. ・Coats the surface of the wiper blade rubber with fluorine. ・Reduces chattering and streaking. ・Weight: 40 g Thank you for viewing. I have stored this at home after purchase. This is a new, unopened item. Thank you.