Artstraws® are approximately 16" long paper straws used for engineering and construction, as well as for arts and crafts projects. Artstraws® can easily be combined with glue, or by simply pinching and threading one of the Artstraws® into another. No connectors are needed! This 300ct item has assorted colors of White, Red, Green, Yellow and Blue, in both 4mm and 6mm diameter sizes, and contains small rubber bands useful for weaving, as well as a 14-page instruction booklet containing fun project ideas. The project ideas are endless!