Product specificationsSize:Necklace Perimeter: 35 inchClover L:3 inch W: 2 inchMaterial:Necklace: PVC+LED beadsBattery specifications: 3 Cr2 batteriesBattery mode: three types (constant light, fast flash, slow flash)Product color: GreenProduct Style: Necklace+3D Green Clover LED LightApplicable scenarios: St. Patrick’s Day parties, events or parades, birthday parties, holiday carnivals, role-playing parties