Children's eyeglass strap. I've put together an orange-themed one. - Main material (strap): Acrylic - Decorative materials: Acrylic - Colors: Orange, Red, White - Features: Beads that change color in UV light - Size: Approximately 55cm (including the lobster clasp) - Weight: 6.6g Thank you for looking. The UV beads are on the back. It's lightweight and easy to wash, so please use it everyday!