How do I wash a newly tie dyed shirt?

My friends and I had a tie dye party and dyed several shirts, bags, and socks. We used a kit with the different colored dyes in bottles. We let them sit for 5-6 hours like the instructions specified and then we undid the rubber bands. The colors are so vibrant, but we need to wash them. I am afraid that the dye... show more My friends and I had a tie dye party and dyed several shirts, bags, and socks. We used a kit with the different colored dyes in bottles. We let them sit for 5-6 hours like the instructions specified and then we undid the rubber bands. The colors are so vibrant, but we need to wash them. I am afraid that the dye will run or fade.

How do I wash my shirts with out ruining the tie dye?

Thanks!
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