50ml Car Defogger Anti Fog Agent Car Windscreen Defog Spray for Swim Goggles Glasses Dive Mask Window Glasses Cleaner Description: feature: 5 ml of the glass water hydrophobic additive was added to the glass water, and when the glass was cleaned with glass water, the hydrophobic effect was also achieved. Adding to the glass water without construction, the wiper scrapes the glass and is equivalent to a layer of film to achieve a hydrophobic effect. The sacrifical coated on the surface can be used as a coat of the barrier Hydrophobic effect causes water to bead up and roll off the surface Keep safe while driving in bad weather Durability: Last about 3-6 months. Tips for using Add 5 ml of this product when you add windshield washer fluid. When you clean the glass, you will make it hydrophobic. Specifications: specification: Model: HGKJ-16 Name: Glass water hydrophobic additive / rain additive Capacity: 50mL Material: windshield washer fluid mate Weight: 60g Package Included: 1*windshield washer fluid mate Notes: Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.