Enhance your style with the Solid Color UV Reactive Acrylic Balls Flexible Barbells. Constructed for both comfort and fashion, these barbells boast lightweight, flexible shafts and bright UV-reactive acrylic balls that emit a vibrant glow under blacklight. Made to add a fun, colorful touch to your piercings, they are durable and gentle on skin, making them suitable for daily wear or special events. Elevate your appearance with this captivating and playful accessory! Acrylic/Bio Flex Thickness 14GA (1.6mm) Length: 5/8" (16mm)