Artstraws® are approximately 16" paper straws used for engineering and construction, as well as arts and crafts projects. Artstraws® can easily be combined with glue, or simply pinching and threading it into another Artstraw. No connectors are needed. Each 1,350 count box contains approx. 900 of the 4mm and 450 of the 6mm and two instruction books, one for arts and crafts and one for design and technology.