PACKAGE CONTENTS: 6 colors (each 1gram) Chrome Nail Powder. They need to be used with gel nail polish and no-wipe top coat QUALITY AND QUANTITY: chrome nail powder has a very good shining mirror effect, they can made different effects with different background colors. If you need a darker color, you can choose black or another dark color as the base color, if you need a lighter color, you can choose a whitećpink or transparent base color to applied powders WIDE APPLICATION: These powders need to be used with Gel nail polish(color gel, gel base coa,t and glossy gel top coat). Some regular Polish can also be used, but not all. These powders can be used on natural nails, UV gel nails, acrylic nails, or false nail tips. EASY TO USE: As long as you follow our instructions, whether you're a beginner or professional, it is so easy to do effortless designs, pure vibrancy nails made for everyday magic! Achieve flawless style in minutes; no skills are needed.