These Bracelets Are Designed to Emit a Luminous Glow, Creating a Fun & Energetic Atmosphere. Made From Acrylic Materials, They Are Lightweight & Comfortable to Wear, Making Them Suitable for Long Periods of Use. the Glow-in-the-dark Feature Makes Them Perfect for Night Events, Such as Nightclubs, Raves, & Concerts, Where They Add a Touch of Sparkle & Visibility to the Wearer. These Bracelets Are Not Only Fashionable But Also Serve as a Practical Accessory for Identifying Groups or Individuals in Low-light Settings. Their Eye-catching Design & Luminous Effect Make Acrylic Glow Bracelets a Popular Choice for Enhancing the Overall Experience of Any Nighttime Celebration. International Freight May Vary a Lot Sometimes, Please Confirm the Price with Us Again Before Placing an Order.