GLOW IN THE DARK TOYS: Press the power button to switch between the 3 different modes, Quick flashing, Slow flashing, and Alternately flashing. Change the mode you like, enjoy foam sticks with a good mood when joining party with your friends. GLOW IN THE DARK : Spice up your glow parties with these foam glow sticks in the dark party favors and decorations or use as giveaway toys. Perfect for Christmas, Halloween, birthday parties, weddings, concerts, bar, sporting events, raves. LASTING PARTY SUPPLIES: engineered under quality control, our foam sticks are made from high quality materials to up to 4-6 hours of glowing light so that you could enjoy your party all night without worrying they would fade . INDIVIDUALLY WRAPPED: Each foam stick comes in its own individual packaging, making them easy to distribute and store. Replaceable batteries are included and installed inside each foam stick, which have an On and Off switch function for saving battery life when not in use. size: about 48 x 4cm Material: foam cotton colour: white Package Contents: 10 x Glow Sticks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.