Prestone(R) BugWash Summer Windshield Washer Fluid is specially designed to improve Summer driving visibility. It is formulated to dissolve, Power Clean(R) and repel the toughest road grime. Road grime, bug residue and bird dropping can be very difficult to remove while driving. Prestone BugWash is designed to dissolve and Power Clean and, with special nanotechnology, it is also designed to repel future grime from sticking. Water beading technology will help keep the windshield clear of water when driving. This product is streak and glare free, along with being safe for rain sensing technology windshields.