Material:Polystyrene Drinkware Type:Mugs Security:food safety Size: 7×8.3cm/ 2.7×3.2inch Powered by:2*2025 button cells (included) Flashing time: Around 28 hours Applicable:The LED flashing cup is liquid activated, twinkle when pouring water,etc
Automatic Led Flashing Mug Light Sensor Color Changing Bar Water Cup
100% Brand New and High Quality
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 parties, gatherings, decoration.