[2pcs / set]Creative Light Up LED Cups Automatic Flashing Drinking Cup Mugs For Party Supplies
$19.99- Liquid Activated: When drinks are added, it turns off when there is no liquid left
- Material: Made of clear Polystyrene. Polystyrene is non-toxic harmless
- Durable: Not as fragile as glass, even not forms sharp fragments when broken.
- Powered by 2*2025 button cells (Included).
- Ideal for the bars, parties, gatherings, decoration, clubs and other dark occasions