Why Is There a Colored Block on My Toothpaste Tube?

There’s a curious little detail on your toothpaste: a colored block right at the top seam. Given that it’s truly just a small, colored square, does it serve any real purpose? It does!

https://www.lifesavvy.com/89651/why-is-there-a-colored-block-on-my-toothpaste-tube/

About Colins Place

Originally from the UK, now living and working amongst the corn and beans in small town Midwest USA
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