ARO Caps our anti-roll tube caps work almost identically to standard plastic postal tube caps. Simply push them into the ends of the tube ensuring their positioning is the same at each end.
![Inserting ARO Caps to create an anti-roll, courier friendly postal tube.](https://www.arocaps.com/wp-content/uploads/2016/08/IMG_5081-1024x626.jpeg)
![The triangular design of ARO Caps provides three staple points — a preferred method by many users of securing postal tube caps.](https://www.arocaps.com/wp-content/uploads/2016/08/IMG_5083-1024x683.jpeg)
![Once the caps have been inserted — it simply remains to affix the shipping label of your chosen carrier.](https://www.arocaps.com/wp-content/uploads/2016/08/IMG_5093-1024x683.jpeg)
Triangular Anti Roll Tube Caps to stop postal tubes rolling
ARO Caps our anti-roll tube caps work almost identically to standard plastic postal tube caps. Simply push them into the ends of the tube ensuring their positioning is the same at each end.