Promote your company with this Nail Files Set! The material of this set is made of high-quality Glass material and packed in ABS/PS packaging. Glass nail files is easy to clean and not easy to hurt the skin. Follow the steps, first using the blue file to smooth your nails and then use the transparent file to polish, it can last about half a month after completion. Ideal for houseware, beauty business, service industry, etc. Large imprint area to show your brand and logo.