ForPro Professional Collection O-Files Replaceable File System Refills, White, 180 Grit, Manicure Nail File Refills, 3.9” L x .6“ W, 50-Count bee05 The 46 LED bulbs include

The 46 LED bulbs include 4 soft white LED bulbs and 42 daylight LED bulbs

Possible reasons: Less butyl content

and it also can be used for outdoor activities

Washable Nail File: Files are washable and sanitizable

ForPro Professional Collection O-Files Replaceable File System Refills, White, 180 Grit, Manicure Nail File Refills, 3.9” L x .6“ W, 50-Count bee05 The 46 LED bulbs includeForPro Professional Collection O Files Replaceable File System Refills, White, 180 Grit, Manicure Nail File Refills, 3. 9 L x . 6 W, 50 Count ForPro O Files Replaceable File System Refills are made of the finest Japanese paper. Each refill features strong adhesive that keeps refills in place during use and can be easily removed once done. Use with ForPro O Files Replaceable File System Stainless Steel Handle or O Files Replaceable File System Handle.