16 Pcs\. Of Sanding Block Assortment Kit, 120/220 Grit, Washable And Reusable Trust our premium sanding blocks to take your sanding tasks to the next level. Each sanding block is crafted to offer a balance of longevity, performance, and ease of use, promising an improved sanding experience. Specification: Package Included: Warm Tips: *Package Content: Includes 16 pieces sanding blocks, which are great for sanding odd shapes, edges and grooves. High-density durable sponge inside, solid and not easy to break, also resistant to water, wear, acid and alkali. *Durable Material: The sanding blocks are made of high-quality brown corundum and high-density sponge, which is durable and not easy to break. The emery grains covered on the surface make the sand block more wear-resistant and improve the grinding efficiency. *Washable and Reusable: Our sanding blocks are designed for wet and dry dual-use, so they can reduce flushing and improve work efficiency. It also can be rinsed with water, easy to clean and reusable, please dry the water after each use. *Widely Application: The sanding blocks are great for furniture, wood, paint, metal, kitchen, plastic or drywall. Flexible to sand edges, contours, grooves, flat surfaces, and corners. It works better with detergent. *Q A: If you have any question of our products, please contact us by email, we will reply to you within 24 hours.