... -grade, safe environmental protection)2, Size :150mm for children,180mm for girls,190mm for men.3, Width:20-35mm4, Thickness:2mm5, ... glowing in dark.Usage1. For hair or bracelets2. Tie up something in daily life3. Gift for kids and teenage4. Children picture ... puzzle toy5. Decoration for a party6. For collections as a habit7. Best ...