After research, most of the wiper is not clean because the wiper rubber are aging. Now you only need to change the wiper rubber, then get a new wiper. Package includes 10 pieces of wiper rubber refills. This product offers and durability, but at a fraction of the cost. Features - Color: Black. - Material: Rubber. - Size: 64.00X1.00X0.50cm/25.15X0.39X0.20inch. - Made with natural rubber material for a smooth glide with no squeaking or chattering on the window. - Make great performance if you need to change the wiper rubber refill. - Three-dimensional layer of wiper refills, rubber and flexible soft, fit for windshield surface. - Have clear work after work with wiper refills.You should not worry about rain, snow or moisture again. - The windshield wipers strip makes the water to beads off of the windshield so that rain is quickly shed, optimizes visibility even under bad weather conditions. Package list: 5 pairs x wiper refills