Item Type : Rhinestone & Decoration Crystal Nail Art Rhinestones Acrylic Nail Stones DIY Non Hotfix Flatback For 3D Nails Art Decorations (12 PATTERNS GOLD METAL STUDS) Hollow Metal Weight:30g Feature: 1. Easy to apply on natural or artificial nails 2. Clean the surface of your nails, brush the base polish, and place it onto nails 3. Seal with a clear topcoat 4. You can also use them to decorate your home, cell phone's case, glasses, made card, body art, etc.