Features: 1.This compact tablets turns regular water into powerful fluid detergent, 1pc tablet melt in 4L water equals to 4L windshield washing detergent 2.Dissolve thoroughly, no residual, environmental friendly, biodegradable, phosphate and fragrance free formula 3.This product is used in automobile windscreen and the daily cleaning of all kinds of glass products 4.Very effective at removing bug splatter, bird droppings, tree sap and road grime from your windshield 5.Reduce the friction between wiper and windshield, plays a protective role Specification: Features:_x000D_ _x000D_ This compact tablets turns regular water into powerful fluid detergent, 1pc tablet melt in 4L water equals to 4L windshield washing detergent. _x000D_ Dissolve thoroughly, no residual, environmental friendly, biodegradable, phosphate and fragrance free formula. _x000D_ This product is used in automobile windscreen and the daily cleaning of all kinds of glass products. _x000D_ Mixable with anti-freezing agent for improving cleaning performance in winter. _x000D_ Very effective at removing bug splatter, bird droppings, tree sap and road grime from your windshield. _x000D_ Reduce the friction between wiper and windshield, plays a protective role. _x000D_ More conveniently and easily to use than traditional windscreen cleaner. _x000D_ _x000D_ Specifications:_x000D_ Material: Sodium Bicarbonate, Citric Acid_x000D_ Color: Blue_x000D_ Quantity: 6pcs _x000D_ Diameter: 2cm / 0.8in_x000D_ Thicknss: 5mm / 0.2in_x000D_ Application: For car windshield cleanig, glass washing _x000D_ _x000D_ Package List:_x000D_ 6 * Compact Effervescent Tablets_x000D_ _x000D_ Note:_x000D_ Please be aware that this is a summer formulation. It will not prevent water from freezing in your reservoir. If you need to clean your windscreen during freezing cold winter, just purchase an anti-freeze windshield cleaning solution. PackageList: