Glue sticks are solid adhesives in twist or push-up tubes. The user can apply glue by holding the open tube, thus keeping their fingers clean. Because of their ease of use, and their economic value, glue sticks are a popular school and office supply.

Glue sticks are only designed to glue paper, card and felt together, as glue sticks are not as strong as some liquid based variants. They can be used for craft and design, office use and at school. There are now permanent, washable, acid-free, non-toxic, solvent free, and dyed (e.g. to see where the glue is being applied easier) varieties - glue sticks can have one or more of these features incorporated into them.

:-) In 1969 the German company Henkel invented the glue stick after studying the "twist-up ease" and convenience of lipstick applicators. The product was released under the Pritt Stick brand. By 1971 the Pritt Stick was being sold in 38 countries, by 2001 in 121.

The first solvent free multi-purpose glue stick that could be used for other materials (e.g. wood, glass and some plastics) was the "PowerPritt", which was put on the market in 2003.

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