[Great Customer Service]: If there is any quality problem, please let us know, we can assist you in the best possible way until you are satisfied, we also can provide 30days to return and 100% refund!. [Kit Packaging Sanding Bands Nail Drill]: You will receive 100 pieces 150 grit medium sanding bands for nail and 1 pieces 3/32 inch silver drill bits for professional studio use or home use, perfect for manicures and pedicures. [Clean Nail Sanding Bands]: Each sanding bands was cleaned, no residual glue or other debris from the production. The storage box was cleaned, put into bags. Don’t worry about unclean products or packaging being sent to you. [Premium Sanding Bands Nail]: The nail Sanding bands are made of high hardness, durable material, they don’t soften fast and can be used for a long time. The purple sanding bands for nail don’t dull over a long period of time. The seams are connected well enough that they will not come off. [150 Grit Sanding Bands For Nail Drill]: The 150 grit medium grit nail sanding bands commonly used for polishing and shaping natural, artificial and acrylic nails, blending for a smooth surface, slightly removing product, and backing fills. It can also be used for removing the cuticle.