San Tokra 12 Pcs Christmas Holiday Flashing Light Necklaces, Christmas Tree Snowman LED Pendant Necklace Package: 12Pcs included 6 different styles Christmas soft flashing necklace. Size: chain length 47cm, flashing pendant about 5cm in diameter. Button batteries, sustainable light for about 3-8 hours and can be replaced. Constitute a colorful pattern with the super bright LED lights by press the switch San Tokra flash necklace is your best choice for holidays, wedding and party.