I recently did an order of 400 koozies only to find out the ink started bleeding on the koozie once they started using them. What are some important things I should know when customizing koozies? What ink is best on what material koozie? What temperature should I have the dryer at? Is there...

I am looking for clarification of the temperature for heat pressing a full color plastisol transfer. I am using 613Originals Classic formula (white underbased for dark shirts). I am pressing 100% cotton and the instructions slip says: "375° 7 seconds 60psi hot peel" Which of the following...