For professional results each time, use non-crazing Parts Cement Window Maker for cementing clear polystyrene parts like canopies, windows and windshields, and headlight lenses to your plastic model kit. It will not craze plastic, does not yellow, and leaves no unsightly residue. It can also be used to make small windows, as it dries as clear as glass! Product Details Bottle contains 1 fluid ounce.