High-quality and durable material: stedi sponge sandpaper is made of high-quality aluminum oxide, designed for sanding models, which can greatly reduce the fall of sanding particles during the sanding process Washable and reusable: After use, this sandpaper can be cleaned with water, brushed with a brush to restore the sanding effect for reuse, and the softness of the sponge can be used to sand curved surfaces very well Can be used wet or dry: stedi sponge sandpaper is multi-functional, not only can be used for wet and dry purposes , but also equipped with the most commonly used sanding grits to choose, #400-600, #600-800, #1000-1200, #1200-1500, #2000-2500 Grit WIDE RAMGE OF APPLICATION: Suitable for hobbies modeling tools, gundam, military, wood, plastic parts, 3d resin parts, PLA SATISFACTION GUARANTEED: Please check the package content as you received the product. Whenever you have a question, please feel free to contact us