Event organisers choose Promotional 4 Inch Assorted Colour Glow Sticks With Lanyard. Do you organise large events? It would help if you had these fun and colourful Glow Sticks to add a great vibe. The sticks come with lanyards for hanging. They do not require batteries and glow with a unique, non-toxic chemical for up to 8 hours. Add your business name and logo and get the brand exposure you need. Assorted colours.