20 Pcs Nail Buffer, 100/180 Grit Nail Buffer Nail Sanding Blocks, Professional Polishing File for Grinding Acrylic or Gel Nails Natural Blue [100/180 Grit Nail Buffing Block] Designed with different grit sizes, this nail buffing block allows you to polish, buff, and smooth your nails. 100 grit is coarser, suitable for smoothing nail ridges or edges and removing gel polish or residue; 180 grit has a medium coarseness and is suitable for sanding and polishing unevenness and bumps on natural nails. [High-Quality Nail Polisher] These nail buffers are made of high-quality sponges, durable and safe. Strong and flexible enough to easily polish nails, making them lighter and preventing damage during manicures. [Easy-to-Use Nail Buffer] The nail buffer block has a crescent shape for easy grip and handling. The white material in the middle of the nail pad keeps it in shape. The crescent shape fits the inside of the nail, allowing you to better polish gel polish and the surface of the nail corner. [Wide Range of Nail Polishing Block Nails] Our nail buffer is an excellent manicure tool for polishing gel nails, fake nails, powder-dipped nails, and natural nails, as well as removing gel/glue at home. Helps prepare nails and complete acrylic maintenance for a cleaner look and a pleasant filing experience. [Natural Nail Pad Block] The perfect size is 9*2.8*1.2cm, this nail polishing machine is small enough not to take up too much space. It's a portable travel size. They are perfect for storing in handbags, purses, emergency nail makeup kits, and help to instantly smooth out any uneven edges on your nails.