Quantity and size: 12 packs, 17.8x2 cm (length x width). High-quality: The nail file set is made of high-quality tape and emery board materials, with a dome and double-sided design, with sandpaper on the surface, which is sturdy and durable. 100/180 Grit double-sided gel file: 100 grit is a rough gravel surface, quick/easy to remove nail polish, suitable for toenails or gel/acrylic nails, hard natural nails. 180 is a medium grit, an idea for shaping the edges of natural nails Easy to clean and wash: This nail file tool is very easy to clean and wash. Just rinse with antibacterial soap, preferably with alcohol for disinfection Two-sided: You can use the less grit side to shape your nails, and the more grit side to file off the gel layer Product description Specification: Nail file size: 17.8 x 2cm Material: Emery board + tape Quantity: 12 pieces Color: black Suitable for natural and artificial nails: Shape the edges of the nails and quickly trim the length to make your natural and artificial nails beautiful and stylish.