[UNIQUE DESIGN] Different sizes for both sides of the pad --- front 7 inch (180mm), rear 6.7 inch (170mm) --- a specific design to protect the surface from scratches when polishing, to reduce abrasion for both_x000D_ pads itself, plate and surface. _x000D_ [HIGH QUALITY] Superior 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_x000D_ is to block and retain the polishing compound (avoid falling at high speed). And they have a great heat dissipation capacity _x000D_ [EASY TO USE] Can be used in 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_x000D_ to dry them naturally after using them. _x000D_ [ADVANCED MANUFACTURING TECHNOLOGY] Soft and fine workmanship, do not damage the surface, washable and save money. They are light and easy to assemble. Made of open cell foam that improves air circulation. _x000D_ [DIFFERENT DIFFICULTIES] There are five different colors of the sponge pad with different hardness: Yellow & gt; Orange & gt; Blue & gt; White & gt; Black, efficient cut and polish the toughest car oxidation coating, scratches.