◼️ Qwix Mix Biodegradable Summertime Washer Fluid Concentrate. ◼️ Are you tired of running out of washer fluid? Keep this in your car and you’ll always have a premium product ready to keep your windshield clean. ◼️ Don’t pay to ship water! Washer fluid is at least 70% water and you’re paying to ship that every time you purchase a gallon jug. ◼️ Just one 8 oz. bottle eliminates 32 plastic gallon jugs. ◼️ Love it or we’ll buy it back from you. No questions asked.