12 inch jumbo glow sticks are grade bright light sticks; Under the best conditions, the glowing effect can last up to 10 - 12 hours, and they are waterproof, nontoxic, and non , and can be the suitable for outdoor activitiesglow sticks are packaged in a sturdy cardboard tube to protect from light and heat; The sturdy packaging maintains the integrity of quality glow sticks and prevents from activating prematurelyglow sticks are luminous lighting and decoration for concerts, dance , birthdays, parties, weddings, banquets, parties, festivals, celebrations, outings, camping, etc.; Because fluorescent sticks are chemiluminescence, they have no high temperature and , and do not need power or other energy sources, so it is especially suitable for diving, , exploration, field, high altitude and dangerous operations and other environments Note: the liquid in the fluorescent is inedible and has a certain degree of adhesion; If it leaks, it is easy to contaminate furniture, floors, clothing, skin, etc.; If the above situations occur, it must be cleaned in time; If the liquid in the fluorescent stick enters your eyes, wash it with clean water or attention in time.size: 15 x 300mmMaterial: PEcolour: greenPackage Contents:10 x 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.