Some manufacturers and supplies offer customized postal tubes as per the customers’ exact requirements. Large sheets of cardboard and thick sheets of paper are cut into thin ribbons. They are spiral-bound and measured and cut into the tubes. Water-proof and water-resistant cardboard tubes are used for heavy-duty applications. One can look for the tubes that are resilient to humidity and can withstand high pressure and temperature. As cardboard is porous, the tubes can be used for various purposes.


Add a comment...
Your name:
Your e-mail:





About 23

About 23
What is 23 and who's behind the service?
Just In
Discover the world from a different angle.
Here's a crop of the latest photos from the around the world.
Search
Search photos from users using 23
Help / Discussion
Get help or share your ideas to make 23 better
23 Blog / 23 on Twitter
Messages and observations from Team 23
Terms of use
What can 23 be used for and what isn't allowed
More services from 23
We also help people use photo sharing in their professional lives
  • Basque (ES)
  • Bulgarian (BG)
  • Chinese (CN)
  • Chinese (TW)
  • Danish (DK)
  • Dutch (NL)
  • English (US)
  • French (FR)
  • Galician (ES)
  • German (DE)
  • Italian (IT)
  • Norwegian (NO)
  • Polish (PL)
  • Portuguese (PT)
  • Russian (RU)
  • Spanish (ES)
  • Swedish (SE)

Popular photos right now