HIGH-QUALITY BUFFER MATERIAL: Our mini buffer block nail files are made of high-quality sandpaper and EVA sponge materials to ensure long-term use and a better nail polishing experience; These nail buffer blocks are perfect for both acrylic and natural nails; PORTABLE AND CONVENIENT: Our mini nail polishers are 1.4" x 1" x 1", easily fit into a purse or bag, perfect for carrying around; Whether you need a quick touch-up or a full nail polishing process, our small nail polisher is the perfect tool to get the job done; FIT FOR ALL NAIL TYPES: Our mini nail polishers are perfect for prepping nails before applying nail polish, gel, or other enhancers; From natural nails to acrylic nails and everything in between, our nail files and polishers can handle them all; Mini nail polishing blocks are also great for shaping and smoothing rough edges and surfaces for a polished finish. Double-sided 100/180 grit: You can choose according to your preference, the coarse 100 grit is used to polish the uneven surface of nails, the coarse 180 grit side is used to polish the grease on the surface of nails, easy to polish and smooth the rough edges of nails, perfect for professionals and home users, providing salon-quality nail files, nail files, nail files for you to use comfortably at home; Wide Application: Our 100/180 grit mini nail buffer blocks are perfect for natural nails, hand nails, toenails, also suitable for acrylic nails, gel nails, etc…