[UNIQUE DESIGN]Different sizes for both sides of the pad --- front 7inch (180mm), rear 6.7inch (170mm) --- a specific design to protect the surface from being scratched when polishing, to reduce abrasion for both skates itself, plate and surface.[HIGH QUALITY] top quality, sponge pad, foldable, washable and reusable. Used for all kinds of layer paints, waxing, polishing and sealing glazes, to clean and improve their lightness. The biggest advantage of our tampons is to block and retain the polishing compound (avoid falling off at high speed). And they have great heat dissipation ability[EASY TO USE] Can be used in a pneumatic or electric polisher. Used for auto car detail polishing. With velcro you can easily change the sponge. It is suggested to wash them with clean water and to dry them naturally after using them.[ADVANCED MANUFACTURING TECHNOLOGY] soft and fine workmanship, do not damage the surface, washable and save money. They are lightweight and easy to assemble. Made of open cell foam that improves air circulation.[VARIOUS DIFFICULTIES]There are five different colors of the sponge pad with different hardnesses: Yellow; Orange; Blue; White; Black, efficient cutting and polishing the toughest car oxidation coating, scratches.