100/180 grit emery boards: Nail file set is ideal to file and rough up the hard fingernails and toe nails in 100 grit while 180 grit smoothes up your nail edge with refined shape. High quality material: Made with top quality sand paper, EVA, sand surface sponge. These nice, sturdy & durable nail files and buffers provide you a comfortable nail doing experience. Easy to clean: Simply rinse with antibacterial soap and preferably disinfect with alcohol. Widely used: These nail buffering file work quickly to trim or shape the acrylic nail with your desired shape or length. Suitable for professional manicurist and home individual use. Pet Grooming also available. Package include: 30 pcs nail files and 10 pcs buffer block kit.