These neon glow sticks come in a 100-pack and come in an assortment of colors. These 100 glow sticks can be turned intomaking bracelets, chains and more. The 8" glow sticks are 5mm thick and the joints are 15/16L and 7mm thick. These neon glow sticks conforms to ASTM D4236 and EN71(123) standards. Ideal as party favors, door prizes and fun kids' accessories during events.