Sided Flexible Nail Polishing Blocks - Material: Crafted from an improved sand surface sponge, these polishing blocks are designed for high elasticity, durability, and washability. They are suitable for acrylic nails, fake nail ends, natural nails, and both dipping powder and gel nails. - Grit: The central 100/150 grit sanding paper on a flexible high-density sponge ensures a smooth and consistent polishing experience. This middle grit is ideal for achieving the perfect finish on your nails. - Size: Measuring 3 inches, these polishing blocks offer the perfect size for ease of use. They fit comfortably in your palm, making them convenient for both at-home and on-the-go nail care. - Washable and Reusable: Unlike many other nail polishing blocks, these are washable and reusable, ensuring longevity and cost-effectiveness. Enjoy reliable performance time and time again. - Versatile Applications: These 4-sided polishing blocks are perfect for use on natural nails, hand nails, foot nails, and acrylic nails. They are ideal for both salon professionals and at-home users, making them a great addition to your nail care routine. - Perfect Gift Idea: These polishing blocks make an excellent gift for friends and family who enjoy nail care or for anyone looking to enhance their beauty routine. Experience effective nail polishing with these high-quality, flexible blocks that deliver consistent results and are designed for durability and convenience.