1.Glow sticks bulk and waterproof: 12 glow sticks (1.5 x 15 cm) with hook and cord holes at the end for easy hanging, comfortable to carry and with red ribbon. 2 x red glow sticks; 2 x yellow glow sticks; 2 x green light sticks; 2 x purple glow sticks; 2 x orange glow sticks; 2 x orange glow sticks; 2 x blue light sticks. Bright colours that can be activated and used underwater. 2.Easy to use: our glow sticks are easy to use. Simply bend the glow stick firmly until it clicks into place and lights up, and you will get a great, super bright glow stick. First very bright for about 1/2 hour, then bright for about 2 hours, then weak bright for about 10 hours. 3.High luminosity, long life and visible from a distance: our glow sticks have ideal burning times at room temperature, a long life and a bright light intensity in any colour, so that they are still clearly visible even from a great distance. 4.Easy to use: bend the light stick hard to mix the two liquids inside, and the light stick lights up immediately. It is not easy to damage, does not lose liquid and is not prone to false light. Super easy to use, suitable for children and adults.