Luminous Silicone Bracelets

100% silicone, these sport wristband silicone needs light to shine for a while, then will glow in the dark. No electricity, environmental protection and safety. It can be applied to outdoor sports, night running, large-scale festivals, concerts, promotions, cheering, employee benefits, company large-scale activities, etc. 7 15/16" L x 1/4" W