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About Us

At Dumbco we specialise in dumb shirts of the finest quality. 

We have been trading for 3+ years, delivering awesome shirts to happy customers all over the world.

All our shirts are printed to order on super soft garments at our headquarters in Michigan, USA.

We use state of the art printing technology to deliver hi-res, colorful prints that are soft and durable. 

We are always happy to help and answer any questions -  just drop us a line at - we will get back to you within 48hrs (mon-fri)

For any other questions please consult our FAQs