Answer:
It is worldwide, but once only a spider could weave one
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
I can sizzle like bacon, I am made with an egg. I have plenty of backbone, but lack a good leg. I peel layers like onions, but still remain whole. I can be long, like a flagpole, yet fit in a hole.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
Twigs and spheres and poles and plates. Join and bind to reason make.
What do angels sing in the shower?